59 974 511 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 =	11582500

Status	Date	User	Residue	Shift	Software
Verified	2013-11-20	Kyle Z Schmidt	698313AE67D54EAC	19326716	Windows 64-bit,Prime95,v27.9,build 1
Verified	2021-11-05	David Barley	698313AE67D54EAC	9619461	Windows 64-bit,Prime95,v28.10,build 1

History

Date	User	Type	Result
2024-05-10	James Heinrich	NF	no factor TF: 70-71
2021-11-05	David Barley	C-LL	698313AE67D54EAC
2019-02-17	TheJudger	NF	no factor TF: 73-74
2013-11-20	Kyle Z Schmidt	C-LL	698313AE67D54EAC
2013-01-01	TheJudger	NF-PM1	B1=565000, B2=11582500, E=12
2012-07-20	Jaxon	NF	no factor TF: 72-73
2012-07-20	Jaxon	NF	no factor TF: 71-72
2011-11-16	linded	NF	no factor TF: 70-71
2011-07-05	Tom Duell	NF	no factor TF: 69-70
2009-06-17	Sturle Sunde	NF	no factor TF: 68-69
2009-03-22	Charles A. Morris	NF	no factor TF: 67-68
2009-03-20	Charles A. Morris	NF	no factor TF: 66-67
2009-03-19	korva	NF	no factor TF: 65-66
2008-11-23	Howard Chung	NF	no factor TF: 64-65
2008-06-29	monst	NF	no factor TF: 63-64
2007-11-17	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