59 941 451 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 2⁷³

P-1

B1 =	565000
B2 =	11300000

Status	Date	User	Residue	Shift	Software
Verified	2014-02-15	Kyle Z Schmidt	3976031F06A4BFE0	49356875	Windows 64-bit,Prime95,v27.9,build 1
Verified	2021-11-05	-anonymous-	3976031F06A4BFE0	40044315	Windows 64-bit,Prime95,v29.4,build 8

History

Date	User	Type	Result
2021-11-05	-anonymous-	C-LL	3976031F06A4BFE0
2019-02-17	TheJudger	NF	no factor TF: 73-74
2014-02-15	Kyle Z Schmidt	C-LL	3976031F06A4BFE0
2013-01-06	TheJudger	NF-PM1	B1=565000, B2=11300000, E=6
2012-11-11	Jerry Hallett	NF	no factor TF: 71-73
2011-10-23	TheJudger	NF	no factor TF: 70-71
2011-07-02	TheJudger	NF	no factor TF: 69-70
2010-04-10	trif	NF	no factor TF: 68-69
2009-01-30	Gimarel	NF	no factor TF: 67-68
2009-01-29	Obscuriti	NF	no factor TF: 66-67
2009-01-24	Obscuriti	NF	no factor TF: 65-66
2009-01-22	David Langer	NF	no factor TF: 64-65
2008-06-17	monst	NF	no factor TF: 63-64
2007-09-13	abc	NF	no factor TF: 1-63
2000-06-23	-anonymous-	NF	no factor TF: 1-56
2000-03-08	-anonymous-	NF	no factor TF: 1-54
1999-12-30	-anonymous-	NF	no factor TF: 1-53