25 185 907 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 2⁷⁴

TF target 2⁷⁰

P-1

B1 =	300000
B2 =	7500000

Status	Date	User	Residue	Shift	Software
Verified	2004-08-20	EDNY	22AB502675EFCCEE	8413867	Windows,Prime95,v22,NT service,(aka WY5)
Verified	2012-01-25	Dubslow	22AB502675EFCCEE	16253670	Linux 64-bit,Prime95,v26,(aka We8)

History

Date	User	Type	Result
2021-09-13	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
2021-06-08	mikr	NF	no factor TF: 70-71
2017-03-19	ramgeis	NF	no factor TF: 69-70
2012-01-25	Dubslow	C-LL	22AB502675EFCCEE
2011-11-23	LaurV	NF	no factor TF: 68-69
2011-11-23	LaurV	NF	no factor TF: 67-68
2004-08-20	-anonymous-	C-LL	22AB502675EFCCEE
2004-08-06	-anonymous-	NF-PM1	B1=300000, B2=7500000
2004-04-09	ANONYMOUS	NF	no factor TF: 1-67
2003-12-13	markr	NF	no factor TF: 1-62
2001-08-24	Matt	NF	no factor TF: 1-58
2001-08-12	Net_Force	NF	no factor TF: 1-56