25 798 859 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 =	7827500

Status	Date	User	Residue	Shift	Software
Verified	2004-10-18	EDNY	44D0AC70AD03C1B8	13955401	Windows,Prime95,v22,NT service,(aka WY5)
Verified	2012-04-24	Dubslow	44D0AC70AD03C1B8	15410580	Linux 64-bit,Prime95,v27.4,build 1

History

Date	User	Type	Result
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
2021-07-12	mikr	NF	no factor TF: 70-71
2017-03-26	ramgeis	NF	no factor TF: 69-70
2012-04-24	Dubslow	C-LL	44D0AC70AD03C1B8
2012-04-19	bcp19	NF	no factor TF: 67-69
2004-10-18	-anonymous-	C-LL	44D0AC70AD03C1B8
2004-10-03	-anonymous-	NF-PM1	B1=310000, B2=7827500
2004-06-12	-anonymous-	NF	no factor TF: 1-67
2004-04-29	-anonymous-	NF	no factor TF: 1-62
2001-08-12	Net_Force	NF	no factor TF: 1-56