5 023 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
606490566146953	15	49.1	old
42217838915187106204398063886781614873	38	125.0	2016-09-27 01:35:58

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	14724 / 40830

Estimated T-Level: 51.8 ⓘ

TF below 2^167 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	30F78A944B4745CA	2	0	1	3
Verified	2017-09-26	George Woltman	30F78A944B4745CA	2	3107	1	3
Verified	2017-10-02	kkmrkkblmbrbk	30F78A944B4745CA	2	0	1	3
Verified	2020-04-17	Oliver Kruse	63E478D6DFBA0D40	2	3244	5	3
Verified	2024-02-03	Wentao Huang	63E478D6DFBA0D40	2	1371	5	3

History

Date	User	Type	Result
2024-02-03	Wentao Huang	C-PRP	M5023/606490566146953/42217838915187106204398063886781614873 : 63E478D6DFBA0D40 PRP: Verified PRP without proof (small exponent)
2023-06-09	-Anonymous-	NF-PM1	B1=63000000000, B2=632233314515152350
2021-12-16	Oliver Kruse	NF-PM1	B1=1000000000, B2=1002849399191640
2021-12-15	Lisander Viaene	NF-PM1	B1=101101101, B2=242002648447560
2020-04-17	Oliver Kruse	C-PRP	M5023/606490566146953/42217838915187106204398063886781614873 : 63E478D6DFBA0D40 PRP: Verified PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M5023/606490566146953/42217838915187106204398063886781614873 : 30F78A944B4745CA PRP: Verified PRP without proof (not generated)
2017-09-26	George Woltman	C-PRP	M5023/606490566146953/42217838915187106204398063886781614873 : 30F78A944B4745CA PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M5023/606490566146953/42217838915187106204398063886781614873 : 30F78A944B4745CA PRP: Verified PRP without proof (not generated)
2016-09-27	kkmrkkblmbrbk	F-ECM	Factor: 42217838915187106204398063886781614873 / (ECM curve 2531, B1=3000000, B2=300000000)