66 616 259 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 =	8912500

Status	Date	User	Residue	Shift
Verified	2015-09-01	Ryan Propper	30D0DDDAD739B1E2	40053633
Verified	2023-10-07	Sergey Nosov	30D0DDDAD739B1E2	10134674

History

Date	User	Type	Result
2023-10-07	Sergey Nosov	C-LL	30D0DDDAD739B1E2
2015-09-01	Ryan Propper	C-LL	30D0DDDAD739B1E2
2015-03-29	TheJudger	NF	no factor from 2^74 to 2^75
2014-06-19	arnaud	NF-PM1	B1=575000, B2=8912500
2014-04-06	The Mawn	NF	no factor from 2^73 to 2^74
2014-03-09	TheJudger	NF	no factor from 2^72 to 2^73
2014-03-09	TheJudger	NF	no factor from 2^71 to 2^72
2012-09-19	Bold_Seeker	NF	no factor from 2^70 to 2^71
2012-02-07	-Anonymous-	NF	no factor from 2^69 to 2^70
2010-02-27	Per Jessen	NF	no factor from 2^68 to 2^69
2010-02-24	Per Jessen	NF	no factor from 2^67 to 2^68
2009-12-12	brownloaf	NF	no factor from 2^66 to 2^67
2009-12-05	pi	NF	no factor from 2^65 to 2^66
2009-12-04	PVasilev	NF	no factor from 2^64 to 2^65
2009-06-08	1997rj7	NF	no factor to 2^64