25 907 837 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁵

TF target 2⁷⁰

P-1

B1 =	310000
B2 =	8215000

Status	Date	User	Residue	Shift	Software
Verified	2004-11-22	Michal Marzec	600DA11F410CBD88	6887664	Windows,Prime95,v22,(aka WY1)
Verified	2012-05-22	Dubslow	600DA11F410CBD88	0	CUDALucas v2.00a

History

Date	User	Type	Result
2024-05-16	James Heinrich	NF	no factor TF: 68-69
2021-10-17	TheJudger	NF	no factor TF: 74-75
2021-09-19	TheJudger	NF	no factor TF: 73-74
2021-08-26	TheJudger	NF	no factor TF: 72-73
2021-08-26	TheJudger	NF	no factor TF: 71-72
2021-07-19	mikr	NF	no factor TF: 70-71
2017-03-28	ramgeis	NF	no factor TF: 69-70
2012-05-22	Dubslow	C-LL	600DA11F410CBD88
2012-05-18	Carsten Kossendey	NF	no factor TF: 68-69
2011-10-28	David Campeau	NF	no factor TF: 67-68
2004-11-22	-anonymous-	C-LL	600DA11F410CBD88
2004-10-03	-anonymous-	NF-PM1	B1=310000, B2=8215000
2004-06-21	-anonymous-	NF	no factor TF: 1-67
2001-08-12	Net_Force	NF	no factor TF: 1-56