5 443 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
2930273793047969596698853986078324244506549586319342419121	58	190.9	2019-06-27 21:30:08

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	16550 / 16550
55	110000000	40830 / 40830
60	260000000	42836 / 105362

Estimated T-Level: 57.0 ⓘ

TF below 2^184 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Unknown	53DF	0
Verified (Factored)		George Woltman	68E62F1CC80553DF	0
Verified (Factored)		Brian J. Beesley	68E62F1CC80553DF	0
Verified (Factored)	2015-04-11	MadPoo	68E62F1CC80553DF	688

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-06-28	M8909387	0405CADD8B3D9B8D	1	4019	5	3
Verified	2019-06-29	M Graber	0405CADD8B3D9B8D	1	2503	5	3
Verified	2020-04-17	Oliver Kruse	0405CADD8B3D9B8D	1	1263	5	3

History

Date	User	Type	Result
2023-07-10	-Anonymous-	NF-PM1	B1=46000000000, B2=193133522175293700
2020-04-17	Oliver Kruse	C-PRP	M5443/2930273793047969596698853986078324244506549586319342419121 : 0405CADD8B3D9B8D PRP: Verified PRP without proof (small exponent)
2019-06-29	M Graber	C-PRP	M5443/2930273793047969596698853986078324244506549586319342419121 : 0405CADD8B3D9B8D PRP: Verified PRP without proof (small exponent)
2019-06-28	M8909387	C-PRP	M5443/2930273793047969596698853986078324244506549586319342419121 : 0405CADD8B3D9B8D PRP: Verified PRP without proof (small exponent)
2019-06-27	Ryan Propper	F-ECM	Factor: 2930273793047969596698853986078324244506549586319342419121
2017-06-08	snme2pm1	NF	no factor from 2^63 to 2^64
2016-11-26	-Anonymous-	NF-PM1	B1=100000000000, B2=1000000000000, E=12
2016-05-04	mikr	NF-PM1	B1=50000000000, B2=3200000000000, E=12
2016-02-23	LaurV	NF	no factor from 2^57 to 2^58
2015-12-07	snme2pm1	NF	no factor from 2^62 to 2^63
2015-07-03	Sid & Andy	NF	no factor from 2^61 to 2^62
2015-04-11	MadPoo	C-LL	68E62F1CC80553DF
2015-02-12	Jayder	NF-PM1	B1=2455663842, B2=157162485888, E=12
2012-09-29	bcp19	NF	no factor from 2^60 to 2^61
2011-05-04	Joss	NF-PM1	B1=10000000000
2011-01-19	monst	NF	no factor from 2^58 to 2^60