64 909 997 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	595000
B2 =	13387500

Status	Date	User	Residue	Shift
Verified	2014-12-10	Vassilo	0485B40D0025F691	23040738
Verified	2023-05-26	Sergey Nosov	0485B40D0025F691	14075400

History

Date	User	Type	Result
2023-05-26	Sergey Nosov	C-LL	0485B40D0025F691
2022-09-29	La Güira	NF	no factor from 2^74 to 2^75
2016-02-23	Mark Rose	NF	no factor from 2^60 to 2^63
2014-12-10	Vassilo	C-LL	0485B40D0025F691
2014-01-14	LaurV	NF-PM1	B1=595000, B2=13387500, e=2
2013-12-22	Bdot	NF	no factor from 2^73 to 2^74
2013-12-21	Bdot	NF	no factor from 2^72 to 2^73
2013-11-20	america64	NF	no factor from 2^71 to 2^72
2012-06-15	america64	NF	no factor from 2^70 to 2^71
2012-04-14	ITS	NF	no factor from 2^69 to 2^70
2010-04-05	unconnected	NF	no factor from 2^68 to 2^69
2010-01-18	SADMASTER	NF	no factor from 2^67 to 2^68
2009-12-30	SADMASTER	NF	no factor from 2^66 to 2^67
2009-12-06	-Anonymous-	NF	no factor from 2^65 to 2^66
2009-03-16	-Anonymous-	NF	no factor from 2^64 to 2^65
2009-03-14	bayanne	NF	no factor from 2^63 to 2^64