GIMPS ECM Progress

ECM on Mersenne numbers with no known factors

Exponent range:

Digits in factor	25	30	35	40	45	50	55	60	65	70	75
Bound #1	50k	250k	1M	3M	11M	44M	110M	260M	800M	2400M	7200M
Curves to test	280	640	1,566	4,588	9,201	16,550	40,830	105,362	194,238	350,860	567,615
1277	Done	Done	Done	Done	Done	Done	Done	Done	Done	Done	142,509
1619	Done	Done	Done	Done	Done	Done	Done	Done	Done	101,725
1753	Done	Done	Done	Done	Done	Done	Done	Done	193,687
2267	Done	Done	Done	Done	Done	Done	Done	Done	130,422
2273	Done	Done	Done	Done	Done	Done	Done	Done	Done	194,465
2423	Done	Done	Done	Done	Done	Done	Done	Done	Done	186,486
2521	Done	Done	Done	Done	Done	Done	Done	Done	Done	181,057
2713	Done	Done	Done	Done	Done	Done	Done	Done	Done	170,728
2719	Done	Done	Done	Done	Done	Done	Done	Done	Done	160,664
2851	Done	Done	Done	Done	Done	Done	Done	Done	Done	157,319
3049	Done	Done	Done	Done	Done	Done	Done	Done	Done	197,993
3673	Done	Done	Done	Done	Done	Done	Done	Done	Done	139,551
3691	Done	Done	Done	Done	Done	Done	Done	Done	Done	137,031
3847	Done	Done	Done	Done	Done	Done	Done	Done	Done	140,456
3881	Done	Done	Done	Done	Done	Done	Done	Done	Done	135,530
3919	Done	Done	Done	Done	Done	Done	Done	Done	Done	71,013
4007	Done	Done	Done	Done	Done	Done	Done	Done	Done	73,331
4049	Done	Done	Done	Done	Done	Done	Done	Done	Done	69,906
4261	Done	Done	Done	Done	Done	Done	Done	Done	Done	72,986
4363	Done	Done	Done	Done	Done	Done	Done	37,410
4567	Done	Done	Done	Done	Done	Done	Done	22,119
4583	Done	Done	Done	Done	Done	Done	Done	21,510
4703	Done	Done	Done	Done	Done	Done	Done	21,060
4721	Done	Done	Done	Done	Done	Done	Done	31,605

ECM on Mersenne numbers with known factors

Exponent range:

Digits in factor	25	30	35	40	45	50	55	60	65	70	75
Bound #1	50k	250k	1M	3M	11M	44M	110M	260M	800M	2400M	7200M
Curves to test	280	640	1,566	4,588	9,201	16,550	40,830	105,362	194,238	350,860	567,615
1213	Done	Done	Done	Done	Done	Done	Done	Done	Done	219,147
1217	Done	Done	Done	Done	Done	Done	Done	Done	Done	129,608
1229	Done	Done	Done	Done	Done	Done	Done	Done	104,957
1231	Done	Done	Done	Done	Done	Done	Done	Done	84,447
1237	Done	Done	Done	Done	Done	Done	Done	Done	108,933
1249	Done	Done	Done	Done	Done	Done	Done	Done	76,972
1259	Done	Done	Done	Done	Done	Done	Done	Done	84,259
1283	Done	Done	Done	Done	Done	Done	Done	Done	74,907
1291	Done	Done	Done	Done	Done	Done	Done	Done	77,623
1297	Done	Done	Done	Done	Done	Done	Done	Done	72,944
1319	Done	Done	Done	Done	Done	Done	Done	Done	78,630
1367	Done	Done	Done	Done	Done	Done	Done	45,653
1381	Done	Done	Done	Done	Done	Done	Done	61,753
1423	Done	Done	Done	Done	Done	Done	Done	33,311
1429	Done	Done	Done	Done	Done	Done	Done	31,217
1433	Done	Done	Done	Done	Done	5,626
1439	Done	Done	Done	Done	Done	Done	Done	31,020
1447	Done	Done	Done	Done	Done	Done	Done	33,807
1451	Done	Done	Done	Done	Done	Done	Done	31,815
1453	Done	Done	Done	Done	Done	Done	Done	42,234
1481	Done	Done	Done	Done	Done	Done	Done	98,820
1483	Done	Done	Done	Done	Done	Done	Done	58,540
1493	Done	Done	Done	Done	Done	Done	40,133
1499	Done	Done	Done	Done	Done	Done	Done	Done	Done	69,894
1511	Done	Done	Done	Done	Done	Done	Done	Done	156,492
1523	Done	Done	Done	Done	Done	Done	Done	Done	181,712
1549	Done	Done	Done	Done	Done	Done	Done	Done	156,702
1567	Done	Done	Done	Done	Done	Done	Done	Done	155,973
1571	Done	Done	Done	Done	Done	Done	Done	Done	154,466
1579	Done	Done	Done	Done	Done	Done	Done	Done	156,611
1583	Done	Done	Done	Done	Done	Done	Done	Done	157,786
1597	Done	Done	Done	Done	Done	Done	Done	Done	162,591
1601	Done	Done	Done	Done	Done	Done	Done	Done	159,720
1607	Done	Done	Done	Done	Done	Done	Done	Done	161,689
1609	Done	Done	Done	Done	Done	Done	Done	Done	160,323
1613	Done	Done	Done	Done	Done	Done	Done	Done	157,844
1621	Done	Done	Done	Done	Done	Done	Done	Done	158,444
1627	Done	Done	Done	Done	Done	Done	Done	Done	158,526
1663	Done	Done	Done	Done	Done	Done	Done	Done	158,508
1667	Done	Done	Done	Done	Done	Done	Done	Done	158,700
1669	Done	Done	Done	Done	Done	Done	Done	Done	158,226
1697	Done	Done	Done	Done	Done	Done	Done	Done	157,822
1699	Done	Done	Done	Done	Done	Done	Done	Done	157,019
1709	Done	Done	Done	Done	Done	Done	Done	Done	101,866
1721	Done	Done	Done	Done	Done	Done	Done	Done	80,817
1733	Done	Done	Done	Done	Done	Done	Done	Done	67,648
1741	Done	Done	Done	Done	Done	Done	Done	Done	67,373
1747	Done	Done	Done	Done	Done	Done	Done	Done	67,214
1759	Done	Done	Done	Done	Done	Done	Done	Done	82,141
1777	Done	Done	Done	Done	Done	Done	Done	Done	82,151
1787	Done	Done	Done	Done	Done	Done	Done	Done	86,525
1789	Done	Done	Done	Done	Done	Done	Done	Done	67,090
1801	Done	Done	Done	Done	Done	Done	Done	Done	67,271
1811	Done	Done	Done	Done	Done	Done	Done	Done	84,863
1823	Done	Done	Done	Done	Done	Done	Done	Done	67,128
1831	Done	Done	Done	Done	Done	Done	Done	Done	65,867
1847	Done	Done	Done	Done	Done	Done	Done	Done	67,529
1861	Done	Done	Done	Done	Done	Done	Done	Done	66,867
1867	Done	Done	Done	Done	Done	Done	Done	Done	67,230
1871	Done	Done	Done	Done	Done	Done	Done	Done	66,396
1873	Done	Done	Done	Done	Done	Done	Done	Done	66,684
1877	Done	Done	Done	Done	Done	Done	Done	Done	66,746
1879	Done	Done	Done	Done	Done	Done	Done	Done	66,858
1889	Done	Done	Done	Done	Done	Done	Done	Done	84,798
1901	Done	Done	Done	Done	Done	Done	Done	Done	68,000
1913	Done	Done	Done	Done	Done	Done	Done	Done	66,724
1931	Done	Done	Done	Done	Done	Done	Done	Done	68,371
1933	Done	Done	Done	Done	Done	Done	Done	Done	67,887
1949	Done	Done	Done	Done	Done	Done	Done	Done	67,164
1951	Done	Done	Done	Done	Done	Done	Done	Done	67,283
1973	Done	Done	Done	Done	Done	Done	Done	Done	68,064
1979	Done	Done	Done	Done	Done	Done	Done	Done	65,621
1987	Done	Done	Done	Done	Done	Done	Done	18,068
1993	Done	Done	Done	Done	Done	Done	Done	49,819
2003	Done	Done	Done	Done	Done	Done	Done	64,144
2011	Done	Done	Done	Done	Done	Done	Done	64,128
2017	Done	Done	Done	Done	Done	Done	Done	64,449
2027	Done	Done	Done	Done	Done	Done	Done	64,053
2039	Done	Done	Done	Done	Done	Done	Done	64,262
2053	Done	Done	Done	Done	Done	Done	Done	63,577
2063	Done	Done	Done	Done	Done	Done	Done	63,272
2081	Done	Done	Done	Done	Done	Done	Done	62,535
2083	Done	Done	Done	Done	Done	Done	Done	63,978
2089	Done	Done	Done	Done	Done	Done	Done	64,582
2099	Done	Done	Done	Done	Done	Done	Done	62,468
2111	Done	Done	Done	Done	Done	Done	Done	63,694
2113	Done	Done	Done	Done	Done	Done	Done	62,817
2129	Done	Done	Done	Done	Done	Done	Done	60,471
2131	Done	Done	Done	Done	Done	Done	Done	60,735
2137	Done	Done	Done	Done	Done	Done	Done	Done	72,502
2141	Done	Done	Done	Done	Done	Done	Done	61,683
2143	Done	Done	Done	Done	Done	Done	Done	60,993
2153	Done	Done	Done	Done	Done	Done	Done	60,088
2161	Done	Done	Done	Done	Done	Done	Done	60,707
2179	Done	Done	Done	Done	Done	Done	Done	61,110
2207	Done	Done	Done	Done	Done	Done	Done	62,482
2213	Done	Done	Done	Done	Done	Done	Done	60,020
2221	Done	Done	Done	Done	Done	Done	Done	60,956
2237	Done	Done	Done	Done	Done	Done	Done	61,751
2239	Done	Done	Done	Done	Done	Done	Done	63,672
2269	Done	Done	Done	Done	Done	Done	Done	68,090
2287	Done	Done	Done	Done	Done	Done	Done	61,968
2293	Done	Done	Done	Done	Done	Done	Done	60,123
2297	Done	Done	Done	Done	Done	Done	Done	60,158
2309	Done	Done	Done	Done	Done	Done	Done	60,795
2333	Done	Done	Done	Done	Done	Done	Done	60,210
2339	Done	Done	Done	Done	Done	Done	Done	60,964
2341	Done	Done	Done	Done	Done	Done	Done	58,994
2347	Done	Done	Done	Done	Done	Done	Done	17,406
2371	Done	Done	Done	Done	Done	Done	Done	61,565
2377	Done	Done	Done	Done	Done	Done	Done	Done	60,885
2389	Done	Done	Done	Done	Done	Done	Done	73,793
2393	Done	Done	Done	Done	Done	Done	Done	59,322
2399	Done	Done	Done	Done	Done	Done	Done	61,872
2411	Done	Done	Done	Done	Done	Done	Done	62,135
2417	Done	Done	Done	Done	Done	Done	Done	60,246
2437	Done	Done	Done	Done	Done	Done	Done	62,746
2459	Done	Done	Done	Done	Done	Done	Done	60,858
2467	Done	Done	Done	Done	Done	Done	Done	50,046
2473	Done	Done	Done	Done	Done	Done	14,785
2477	Done	Done	Done	Done	Done	Done	Done	88,820
2503	Done	Done	Done	Done	Done	Done	9,079
2531	Done	Done	Done	Done	Done	Done	10,150
2539	Done	Done	Done	Done	Done	Done	7,576
2543	Done	Done	Done	Done	Done	Done	9,808
2551	Done	Done	Done	Done	Done	Done	Done	20,530
2557	Done	Done	Done	Done	Done	Done	Done	Done	Done	136,708
2579	Done	Done	Done	Done	Done	Done	7,861
2591	Done	Done	Done	Done	Done	Done	9,358
2593	Done	Done	Done	Done	Done	Done	27,054
2609	Done	Done	Done	Done	Done	Done	9,423
2617	Done	Done	Done	Done	Done	Done	8,826
2621	Done	Done	Done	Done	Done	Done	12,104
2633	Done	Done	Done	Done	Done	Done	7,734
2647	Done	Done	Done	Done	Done	Done	7,416
2657	Done	Done	Done	Done	Done	Done	Done	24,858
2659	Done	Done	Done	Done	Done	Done	20,613
2663	Done	Done	Done	Done	Done	Done	16,147
2671	Done	Done	Done	Done	Done	Done	Done	Done	Done	121,774
2683	Done	Done	Done	Done	Done	Done	7,395
2687	Done	Done	Done	Done	Done	Done	7,294
2689	Done	Done	Done	Done	Done	Done	7,314
2693	Done	Done	Done	Done	Done	Done	6,906
2707	Done	Done	Done	Done	Done	Done	12,111
2711	Done	Done	Done	Done	Done	Done	7,108
2729	Done	Done	Done	Done	Done	Done	13,872
2731	Done	Done	Done	Done	Done	Done	7,104
2741	Done	Done	Done	Done	Done	Done	7,104
2753	Done	Done	Done	Done	Done	Done	27,424
2767	Done	Done	Done	Done	Done	Done	15,190
2777	Done	Done	Done	Done	Done	Done	7,921
2791	Done	Done	Done	Done	Done	Done	25,055
2797	Done	Done	Done	Done	Done	Done	18,313
2801	Done	Done	Done	Done	Done	Done	16,200
2803	Done	Done	Done	Done	Done	Done	17,193
2819	Done	Done	Done	Done	Done	Done	Done	18,358
2833	Done	Done	Done	Done	Done	4,313
2843	Done	Done	Done	Done	Done	Done	Done	18,124
2857	Done	Done	Done	Done	Done	4,387
2861	Done	Done	Done	Done	Done	4,203
2879	Done	Done	Done	Done	Done	4,254
2897	Done	Done	Done	Done	Done	4,130
2903	Done	Done	Done	Done	Done	Done	10,645
2917	Done	Done	Done	Done	Done	Done	7,127
2939	Done	Done	Done	Done	Done	3,552
2953	Done	Done	Done	Done	Done	3,498
2957	Done	Done	Done	Done	Done	3,417
2963	Done	Done	Done	Done	Done	Done	15,895
2969	Done	Done	Done	Done	Done	Done	17,370
2971	Done	Done	Done	Done	Done	Done	17,370
2999	Done	Done	Done	Done	Done	Done	22,593
3001	Done	Done	Done	Done	Done	Done	29,958
3011	Done	Done	Done	Done	Done	Done	15,987
3019	Done	Done	Done	Done	Done	Done	17,101
3023	Done	Done	Done	Done	Done	Done	15,623
3061	Done	Done	Done	Done	Done	Done	15,431
3067	Done	Done	Done	Done	Done	Done	15,385
3083	Done	Done	Done	Done	Done	Done	14,803
3109	Done	Done	Done	Done	Done	Done	15,374
3119	Done	Done	Done	Done	Done	Done	15,138
3121	Done	Done	Done	Done	Done	Done	14,972
3137	Done	Done	Done	Done	Done	Done	15,076
3163	Done	Done	Done	Done	Done	Done	15,886
3167	Done	Done	Done	Done	Done	Done	15,387
3169	Done	Done	Done	Done	Done	Done	15,495
3181	Done	Done	Done	Done	Done	Done	15,519
3187	Done	Done	Done	Done	Done	Done	14,564
3191	Done	Done	Done	Done	Done	Done	15,215
3209	Done	Done	Done	Done	Done	Done	15,128
3221	Done	Done	Done	Done	Done	Done	15,050
3229	Done	Done	Done	Done	Done	Done	14,556
3251	Done	Done	Done	Done	Done	Done	14,956
3253	Done	Done	Done	Done	Done	Done	15,526
3257	Done	Done	Done	Done	Done	Done	15,390
3271	Done	Done	Done	Done	Done	Done	14,565
3299	Done	Done	Done	Done	Done	Done	14,373
3301	Done	Done	Done	Done	Done	Done	14,803
3313	Done	Done	Done	Done	Done	Done	15,199
3319	Done	Done	Done	Done	Done	Done	15,132
3323	Done	Done	Done	Done	Done	Done	14,947
3329	Done	Done	Done	Done	Done	Done	14,940
3331	Done	Done	Done	Done	Done	Done	13,875
3343	Done	Done	Done	Done	Done	Done	15,181
3347	Done	Done	Done	Done	Done	Done	14,272
3361	Done	Done	Done	Done	Done	Done	14,533
3371	Done	Done	Done	Done	Done	Done	15,024
3373	Done	Done	Done	Done	Done	Done	14,774
3389	Done	Done	Done	Done	Done	Done	14,278
3391	Done	Done	Done	Done	Done	Done	14,693
3407	Done	Done	Done	Done	Done	Done	14,760
3433	Done	Done	Done	Done	Done	Done	14,841
3449	Done	Done	Done	Done	Done	Done	14,394
3457	Done	Done	Done	Done	Done	Done	14,543
3461	Done	Done	Done	Done	Done	Done	14,680
3463	Done	Done	Done	Done	Done	Done	14,255
3469	Done	Done	Done	Done	Done	Done	13,929
3491	Done	Done	Done	Done	Done	Done	14,506
3499	Done	Done	Done	Done	Done	Done	14,647
3511	Done	Done	Done	Done	Done	Done	18,948
3517	Done	Done	Done	Done	Done	Done	14,162
3527	Done	Done	Done	Done	Done	Done	14,611
3529	Done	Done	Done	Done	Done	Done	13,697
3533	Done	Done	Done	Done	Done	Done	13,135
3539	Done	Done	Done	Done	Done	Done	11,640
3541	Done	Done	Done	Done	Done	Done	14,922
3557	Done	Done	Done	Done	Done	Done	14,922
3559	Done	Done	Done	Done	Done	Done	15,155
3571	Done	Done	Done	Done	Done	Done	10,486
3581	Done	Done	Done	Done	Done	Done	11,066
3583	Done	Done	Done	Done	Done	2,540
3593	Done	Done	Done	Done	Done	Done	12,756
3607	Done	Done	Done	Done	Done	Done	21,455
3613	Done	Done	Done	Done	Done	Done	13,954
3617	Done	Done	Done	Done	Done	Done	14,797
3623	Done	Done	Done	Done	Done	Done	13,627
3631	Done	Done	Done	Done	Done	Done	15,057
3643	Done	Done	Done	Done	Done	Done	14,149
3659	Done	Done	Done	Done	Done	Done	14,268
3671	Done	Done	Done	Done	Done	Done	12,890
3677	Done	Done	Done	Done	Done	Done	12,549
3697	Done	Done	Done	Done	Done	Done	13,199
3701	Done	Done	Done	Done	Done	Done	13,719
3709	Done	Done	Done	Done	Done	Done	14,109
3719	Done	Done	Done	Done	Done	Done	14,667
3727	Done	Done	Done	Done	Done	Done	17,361
3739	Done	Done	Done	Done	Done	Done	14,369
3761	Done	Done	Done	Done	Done	Done	11,155
3767	Done	Done	Done	Done	Done	Done	16,351
3769	Done	Done	Done	Done	Done	Done	16,040
3779	Done	Done	Done	Done	Done	Done	18,464
3793	Done	Done	Done	Done	Done	Done	17,161
3797	Done	Done	Done	Done	Done	Done	14,927
3803	Done	Done	Done	Done	Done	Done	15,708
3821	Done	Done	Done	Done	Done	Done	17,185
3823	Done	Done	Done	Done	Done	Done	15,188
3851	Done	Done	Done	Done	Done	Done	14,667
3853	Done	Done	Done	Done	Done	Done	16,585
3863	Done	Done	Done	Done	Done	Done	14,147
3877	Done	Done	Done	Done	Done	Done	11,579
3889	Done	Done	Done	Done	Done	Done	14,017
3907	Done	Done	Done	Done	Done	Done	14,538
3911	Done	Done	Done	Done	Done	Done	13,154
3923	Done	Done	Done	Done	Done	Done	13,497
3929	Done	Done	Done	Done	Done	Done	14,537
3931	Done	Done	Done	Done	Done	Done	15,578
3943	Done	Done	Done	Done	Done	Done	14,147
3947	Done	Done	Done	Done	Done	Done	13,497
3967	Done	Done	Done	Done	Done	Done	14,028
3989	Done	Done	Done	Done	Done	Done	13,887
4001	Done	Done	Done	Done	Done	Done	17,732
4003	Done	Done	Done	Done	Done	Done	19,168
4013	Done	Done	Done	Done	Done	Done	18,871
4019	Done	Done	Done	Done	Done	Done	18,183
4027	Done	Done	Done	Done	Done	Done	19,289
4051	Done	Done	Done	Done	Done	Done	19,419
4057	Done	Done	Done	Done	Done	Done	19,019
4073	Done	Done	Done	Done	Done	Done	19,632
4079	Done	Done	Done	Done	Done	Done	Done	32,833
4091	Done	Done	Done	Done	Done	Done	16,167
4093	Done	Done	Done	Done	Done	Done	19,058
4099	Done	Done	Done	Done	Done	Done	20,540
4129	Done	Done	Done	Done	Done	Done	19,496
4133	Done	Done	Done	Done	Done	Done	18,473
4139	Done	Done	Done	Done	Done	Done	18,668
4153	Done	Done	Done	Done	Done	Done	19,300
4157	Done	Done	Done	Done	Done	Done	16,301
4159	Done	Done	Done	Done	Done	Done	Done	26,659
4177	Done	Done	Done	Done	Done	Done	18,802
4201	Done	Done	Done	Done	Done	Done	19,222
4211	Done	Done	Done	Done	Done	Done	19,963
4217	Done	Done	Done	Done	Done	Done	20,599
4229	Done	Done	Done	Done	Done	Done	19,092
4231	Done	Done	Done	Done	Done	Done	18,318
4241	Done	Done	Done	Done	Done	Done	28,854
4259	Done	Done	Done	Done	Done	Done	18,132
4271	Done	Done	Done	Done	Done	Done	10,051
4273	Done	Done	Done	Done	Done	Done	12,055
4283	Done	Done	Done	Done	Done	2,804
4289	Done	Done	Done	Done	Done	Done	16,388
4297	Done	Done	Done	Done	Done	Done	29,223
4327	Done	Done	Done	Done	Done	Done	14,551
4337	Done	Done	Done	Done	Done	Done	15,555
4339	Done	Done	Done	Done	Done	Done	14,662
4357	Done	Done	Done	Done	Done	Done	14,195
4373	Done	Done	Done	Done	Done	Done	15,867
4391	Done	Done	Done	Done	Done	Done	18,296
4397	Done	Done	Done	Done	Done	Done	14,041
4409	Done	Done	Done	Done	Done	Done	17,330
4421	Done	Done	Done	Done	Done	Done	15,882
4441	Done	Done	Done	Done	Done	Done	18,696
4447	Done	Done	Done	Done	Done	Done	15,179
4451	Done	Done	Done	Done	Done	Done	14,598
4457	Done	Done	Done	Done	Done	Done	15,712
4463	Done	Done	Done	Done	Done	Done	17,651
4481	Done	Done	Done	Done	Done	Done	16,726
4483	Done	Done	Done	Done	Done	Done	16,924
4493	Done	Done	Done	Done	Done	Done	17,680
4513	Done	Done	Done	Done	Done	Done	15,922
4517	Done	Done	Done	Done	Done	Done	15,083
4519	Done	Done	Done	Done	Done	Done	16,327
4523	Done	Done	Done	Done	Done	Done	17,653
4547	Done	Done	Done	Done	Done	Done	18,829
4549	Done	Done	Done	Done	Done	Done	17,438
4561	Done	Done	Done	Done	Done	Done	15,873
4591	Done	Done	Done	Done	Done	Done	32,174
4597	Done	Done	Done	Done	Done	Done	14,603
4603	Done	Done	Done	Done	Done	Done	13,585
4621	Done	Done	Done	Done	Done	Done	14,780
4637	Done	Done	Done	Done	Done	Done	17,256
4639	Done	Done	Done	Done	Done	Done	14,001
4643	Done	Done	Done	Done	Done	Done	15,676
4649	Done	Done	Done	Done	Done	Done	14,041
4651	Done	Done	Done	Done	Done	Done	16,212
4657	Done	Done	Done	Done	Done	Done	15,851
4663	Done	Done	Done	Done	Done	Done	16,334
4673	Done	Done	Done	Done	Done	Done	14,822
4679	Done	Done	Done	Done	Done	Done	16,985
4691	Done	Done	Done	Done	Done	Done	16,391
4723	Done	Done	Done	Done	Done	Done	16,317
4733	Done	Done	Done	Done	Done	Done	15,051
4759	Done	Done	Done	Done	Done	Done	12,816
4783	Done	Done	Done	Done	Done	Done	14,353
4787	Done	Done	Done	Done	Done	Done	15,531
4789	Done	Done	Done	Done	Done	Done	16,285
4793	Done	Done	Done	Done	Done	Done	15,769
4799	Done	Done	Done	Done	Done	Done	13,233
4801	Done	Done	Done	Done	Done	Done	16,137
4813	Done	Done	Done	Done	Done	Done	15,256
4817	Done	Done	Done	Done	Done	Done	15,508
4831	Done	Done	Done	Done	Done	Done	13,709
4861	Done	Done	Done	Done	Done	Done	15,188
4877	Done	Done	Done	Done	Done	Done	11,780
4889	Done	Done	Done	Done	Done	Done	14,193
4903	Done	Done	Done	Done	Done	Done	12,926
4909	Done	Done	Done	Done	Done	Done	12,799
4919	Done	Done	Done	Done	Done	Done	16,489
4931	Done	Done	Done	Done	Done	Done	14,653
4933	Done	Done	Done	Done	Done	Done	22,652
4937	Done	Done	Done	Done	Done	Done	15,781
4943	Done	Done	Done	Done	Done	Done	16,943
4951	Done	Done	Done	Done	Done	Done	15,665
4957	Done	Done	Done	Done	Done	Done	14,891
4967	Done	Done	Done	Done	Done	Done	16,041
4969	Done	Done	Done	Done	Done	Done	17,291
4973	Done	Done	Done	Done	Done	Done	15,841
4987	Done	Done	Done	Done	Done	Done	14,104
4993	Done	Done	Done	Done	Done	Done	15,932
4999	Done	Done	Done	Done	Done	Done	14,706

ECM on Fermat numbers

Digits in factor	25	30	35	40	45	50	55	60	65	70	75
Bound #1	50k	250k	1M	3M	11M	44M	110M	260M	800M	2400M	7200M
Curves to test	280	640	1,566	4,588	9,201	16,550	40,830	105,362	194,238	350,860	567,615
F12	Done	Done	Done	Done	Done	Done	Done	Done	99,746
F13	Done	Done	Done	Done	Done	Done	Done	Done	58,096
F14	Done	Done	Done	Done	Done	Done	Done	Done	Done	109,722
F15	Done	Done	Done	Done	Done	Done	Done	Done	145,710
F16	Done	Done	Done	Done	Done	Done	Done	21,235
F17	Done	Done	Done	Done	Done	Done	Done	38,534
F18	Done	Done	Done	Done	Done	Done	20,164
F19	Done	Done	Done	Done	Done	11,862
F20	Done	Done	Done	Done	Done	6,397
F21	Done	Done	Done	Done	Done	2,434
F22	Done	Done	Done	Done	3,206
F23	Done	Done	Done	Done	1,341
F24	Done	Done	Done	Done	1,272
F25	Done	Done	Done	956
F26	Done	Done	1,390
F27	Done	Done	210
F28	Done	128
F29	145

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ECM on Mersenne numbers with no known factors

ECM on Mersenne numbers with known factors

ECM on Fermat numbers