64 159 757 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 2⁷⁴

P-1

B1 =	590000
B2 =	14750000

Status	Date	User	Residue	Shift	Software
Verified	2013-10-08	Kyle Z Schmidt	CC8362A31AB37774	48341388	Windows 64-bit,Prime95,v27.9,build 1
Verified	2023-04-09	TAMUC-ComputerScience	CC8362A31AB37774	5340663	Windows 64-bit,Prime95,v29.4,build 8

History

Date	User	Type	Result
2023-04-09	TAMUC-ComputerScience	C-LL	CC8362A31AB37774
2022-11-19	tottenhoff	NF	no factor TF: 74-75
2016-02-23	Mark Rose	NF	no factor TF: 60-63
2013-10-08	Kyle Z Schmidt	C-LL	CC8362A31AB37774
2013-09-16	owftheevil	NF-PM1	B1=590000, B2=14750000, E=6
2013-09-09	TheJudger	NF	no factor TF: 73-74
2013-09-09	TheJudger	NF	no factor TF: 72-73
2013-09-09	TheJudger	NF	no factor TF: 71-72
2013-04-22	lycorn	NF	no factor TF: 70-71
2012-02-07	america64	NF	no factor TF: 69-70
2009-12-19	Sturle Sunde	NF	no factor TF: 68-69
2009-12-18	Sturle Sunde	NF	no factor TF: 67-68
2009-12-12	korva	NF	no factor TF: 66-67
2009-12-08	USA_ashworth	NF	no factor TF: 65-66
2009-05-20	garo	NF	no factor TF: 64-65
2009-05-20	garo	NF	no factor TF: 63-64
2004-01-18	AxelFox	NF	no factor TF: 1-60
2003-08-25	Gordon Spence	NF	no factor TF: 1-59
1999-11-17	-anonymous-	NF	no factor TF: 1-50