4 323 691 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷³

TF target 2⁶⁵

P-1

B1 =	6200000
B2 =	40336394280

ECM

Digits	B1	Curves
25	50000	24 / 280

Estimated T-Level: 20.4 ⓘ

Status	Date	User	Residue	Shift
Bad	1998-11-21	Wu Xiao	8A209C03784978A1	0
Verified	1999-11-04	Eric Leblanc	A6BAACC264AEE1A8	1750448
Verified	2001-07-03	Juergen Mueller	A6BAACC264AEE1A8	2151748

History

Date	User	Type	Result
2022-11-07	DRobinsonPE	NF-PM1	B1=6200000, B2=40336394280
2021-06-13	Dylan Delgado	NF-PM1	B1=440000, B2=13200000, e=12
2021-02-10	-Anonymous-	NF	no factor from 2^72 to 2^73
2021-01-30	-Anonymous-	NF	no factor from 2^71 to 2^72
2021-01-30	-Anonymous-	NF	no factor from 2^70 to 2^71
2021-01-26	-Anonymous-	NF	no factor from 2^69 to 2^70
2021-01-26	-Anonymous-	NF	no factor from 2^68 to 2^69
2018-10-24	chuenkit	NF	no factor from 2^67 to 2^68
2018-04-30	chuenkit	NF	no factor from 2^66 to 2^67
2016-12-24	Squeeky_Squirrel	NF-PM1	B1=265000, B2=7751250, E=12
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-06-15	snme2pm1	NF	no factor from 2^65 to 2^66
2014-05-30	lycorn	NF	no factor from 2^64 to 2^65
2014-05-29	Jayder	NF	no factor from 2^63 to 2^64
2012-01-08	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-12-06	markr	NF	no factor from 2^61 to 2^62
2010-09-01	markr	NF-PM1	B1=95000, B2=2090000, E=6