25 024 693 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 =	1722000
B2 =	1857508590

Status	Date	User	Residue	Shift	Software
Verified	2005-04-26	Stefan Schiebeler	505B65B8808CE497	14480530	Windows,Prime95,v23,NT service,(aka WZ5)
Verified	2012-06-27	Dubslow	505B65B8808CE497	11843949	Linux 64-bit,Prime95,v27.7,build 2

History

Date	User	Type	Result
2024-02-23	James Heinrich	NF-PM1	B1=1722000, B2=1857508590
2023-01-01	Naegi Makoto	NF	no factor TF: 72-73
2022-08-24	Jon Pace	NF	no factor TF: 71-72
2021-05-30	mikr	NF	no factor TF: 70-71
2017-03-17	ramgeis	NF	no factor TF: 69-70
2012-06-27	Dubslow	C-LL	505B65B8808CE497
2012-06-23	Jerry Hallett	NF	no factor TF: 68-69
2012-06-22	Jerry Hallett	NF	no factor TF: 67-68
2005-04-26	-anonymous-	C-LL	505B65B8808CE497
2005-01-10	-anonymous-	NF-PM1	B1=370000
2004-04-20	ITS	NF	no factor TF: 1-67
2003-11-16	markr	NF	no factor TF: 1-62
2001-08-24	Matt	NF	no factor TF: 1-58