25 714 643 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 =	899000
B2 =	47734000

Status	Date	User	Residue	Shift	Software
Verified	2005-04-02	Jose Manuel Garcia	1776F6DD8CD755A3	24393089	Windows,Prime95,v23,NT service,(aka WZ5)
Verified	2012-04-29	Dubslow	1776F6DD8CD755A3	15173961	Linux 64-bit,Prime95,v27.6,build 3

History

Date	User	Type	Result
2021-10-24	LaurV	NF-PM1	B1=899000, B2=47734000
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
2021-07-07	mikr	NF	no factor TF: 70-71
2017-03-26	ramgeis	NF	no factor TF: 69-70
2012-04-29	Dubslow	C-LL	1776F6DD8CD755A3
2012-04-19	bcp19	NF	no factor TF: 68-69
2011-10-25	Carsten Kossendey	NF	no factor TF: 67-68
2005-04-02	JMGarcia	C-LL	1776F6DD8CD755A3
2004-12-13	spike66	NF-PM1	B1=380000
2004-07-26	binarydigits	NF	no factor TF: 1-67
2001-08-12	Net_Force	NF	no factor TF: 1-56