64 515 229 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 =	590000
B2 =	13422500

Status	Date	User	Residue	Shift
Verified	2014-04-06	J. BENNETT	D61526F18DBBC52D	26948737
Verified	2023-04-24	Sergey Nosov	D61526F18DBBC52D	7311036

History

Date	User	Type	Result
2023-04-24	Sergey Nosov	C-LL	D61526F18DBBC52D
2022-11-03	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
2014-04-06	J. BENNETT	C-LL	D61526F18DBBC52D
2013-11-18	LaurV	NF-PM1	B1=590000, B2=13422500, e=2
2013-11-13	The Mawn	NF	no factor from 2^73 to 2^74
2013-11-11	The Mawn	NF	no factor from 2^72 to 2^73
2013-10-10	Phantomas	NF	no factor from 2^71 to 2^72
2012-12-31	-Anonymous-	NF	no factor from 2^70 to 2^71
2012-12-31	-Anonymous-	NF	no factor from 2^69 to 2^70
2009-10-29	S00030	NF	no factor from 2^68 to 2^69
2009-10-28	yasashisa	NF	no factor from 2^67 to 2^68
2009-10-21	HighPriceRanch	NF	no factor from 2^66 to 2^67
2009-10-20	tfireaper	NF	no factor from 2^65 to 2^66
2009-10-06	borkencode	NF	no factor from 2^64 to 2^65
2009-05-31	Architects Cubed	NF	no factor from 2^63 to 2^64