25 275 713 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 2⁷³

TF target 2⁷⁰

P-1

B1 =	290000
B2 =	6017500

Status	Date	User	Residue	Shift	Software
Verified	2004-10-03	Claudio Cilloni	B16F93D57416BD01	23914863	Linux 32-bit,Prime95,v23,(aka WZ2)
Verified	2012-05-04	Dubslow	B16F93D57416BD01	15287883	Linux 64-bit,Prime95,v27.6,build 3

History

Date	User	Type	Result
2022-12-18	Naegi Makoto	NF	no factor TF: 72-73
2021-01-08	-anonymous-	NF	no factor TF: 70-71
2021-01-08	-anonymous-	NF	no factor TF: 71-72
2017-03-19	ramgeis	NF	no factor TF: 69-70
2012-05-04	Dubslow	C-LL	B16F93D57416BD01
2012-04-19	bcp19	NF	no factor TF: 67-69
2004-10-03	Claudio Cilloni	C-LL	B16F93D57416BD01
2004-09-02	Claudio Cilloni	NF-PM1	B1=290000, B2=6017500
2004-07-13	TMarshall	NF	no factor TF: 1-67
2004-01-18	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