70 622 089 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 =	690000
B2 =	15352500

Status	Date	User	Residue	Shift	Software
Verified	2015-08-18	curtisc	CAB9EB1982B425EC	60148248	Windows Service,Prime95,v28.5,build 2
Verified	2024-05-04	-anonymous-	CAB9EB1982B425EC	41339468	Windows,Prime95,v27.9,build 1

History

Date	User	Type	Result
2024-05-04	-anonymous-	C-LL	CAB9EB1982B425EC
2015-08-18	curtisc	C-LL	CAB9EB1982B425EC
2015-04-14	Jerry Hallett	NF	no factor TF: 74-75
2014-11-30	TheJudger	NF	no factor TF: 73-74
2014-11-23	TheJudger	NF-PM1	B1=690000, B2=15352500, E=12
2014-11-11	Bdot	NF	no factor TF: 72-73
2014-10-07	NickOfTime	NF	no factor TF: 71-72
2013-07-31	Le Comte	NF	no factor TF: 70-71
2013-07-02	PascalBieri	NF	no factor TF: 69-70
2010-08-01	-anonymous-	NF	no factor TF: 68-69
2010-07-20	-anonymous-	NF	no factor TF: 67-68
2010-07-10	ANONYMOUS	NF	no factor TF: 66-67
2010-07-04	ITS	NF	no factor TF: 65-66
2010-02-27	Al Airone	NF	no factor TF: 64-65
2008-11-23	Wojciech Florek	NF	no factor TF: 1-64
2007-10-17	Amperio	NF	no factor TF: 1-63