25 755 113 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 =	913000
B2 =	47748000

Status	Date	User	Residue	Shift	Software
Verified	2004-11-03	Grey Smith	9E175575E2D97B17	7634021	Windows,Prime95,v23,(aka WZ1)
Verified	2012-05-11	Dubslow	9E175575E2D97B17	0	CUDALucas v2.00a

History

Date	User	Type	Result
2021-11-04	Dylan Delgado	NF-PM1	B1=913000, B2=47748000
2021-10-17	TheJudger	NF	no factor TF: 74-75
2021-09-19	TheJudger	NF	no factor TF: 73-74
2021-08-28	TheJudger	NF	no factor TF: 72-73
2021-08-28	TheJudger	NF	no factor TF: 71-72
2021-07-09	mikr	NF	no factor TF: 70-71
2017-03-26	ramgeis	NF	no factor TF: 69-70
2012-05-11	Dubslow	C-LL	9E175575E2D97B17
2012-01-04	David Campeau	NF	no factor TF: 68-69
2011-10-25	Carsten Kossendey	NF	no factor TF: 67-68
2004-11-03	Grey Smith	C-LL	9E175575E2D97B17
2004-10-03	Grey Smith	NF-PM1	B1=380000
2004-06-21	ANONYMOOS	NF	no factor TF: 1-67
2004-06-04	ANONYMOOS	NF	no factor TF: 1-67
2004-04-29	1997rj7	NF	no factor TF: 1-62
2001-08-12	Net_Force	NF	no factor TF: 1-56