64 716 761 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 =	575000
B2 =	10350000

Status	Date	User	Residue	Shift
Verified	2014-11-11	curtisc	A1993129D258F40B	12570021
Verified	2023-05-14	Sergey Nosov	A1993129D258F40B	54851193

History

Date	User	Type	Result
2023-05-14	Sergey Nosov	C-LL	A1993129D258F40B
2022-10-04	Naegi Makoto	NF	no factor from 2^74 to 2^75
2016-02-23	Mark Rose	NF	no factor from 2^60 to 2^63
2014-11-11	curtisc	C-LL	A1993129D258F40B
2013-07-03	Metameer	NF-PM1	B1=575000, B2=10350000
2013-04-02	Jerry Hallett	NF	no factor from 2^73 to 2^74
2013-04-02	Jerry Hallett	NF	no factor from 2^72 to 2^73
2013-04-02	Jerry Hallett	NF	no factor from 2^71 to 2^72
2013-04-02	Jerry Hallett	NF	no factor from 2^70 to 2^71
2012-01-09	David Hruska	NF	no factor from 2^69 to 2^70
2009-12-22	-Anonymous-	NF	no factor from 2^68 to 2^69
2009-12-17	-Anonymous-	NF	no factor from 2^67 to 2^68
2009-12-07	stevecody	NF	no factor from 2^66 to 2^67
2009-10-04	SAHS Physics Club	NF	no factor from 2^65 to 2^66
2009-03-19	korva	NF	no factor from 2^64 to 2^65
2009-03-17	CubeQuest.org	NF	no factor from 2^63 to 2^64