78 617 897 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
7557589611096321175254822577	28	92.6	2016-06-20 15:57:58

P-1 factors

Date	Factor	B1	B2
2016-06-20	7557589611096321175254822577	660000	0

History

Date	User	Type	Result
2016-06-20	basey	F-PM1	Factor: 7557589611096321175254822577 / (P-1, B1=660000)
2016-06-09	AirSquirrels	NF	no factor from 2^74 to 2^75
2016-06-09	AirSquirrels	NF	no factor from 2^73 to 2^74
2016-06-02	Greg	NF	no factor from 2^72 to 2^73
2015-08-18	RichD0	NF	no factor from 2^71 to 2^72
2013-05-26	SMoffat	NF	no factor from 2^70 to 2^71
2013-02-11	Clown_Royal	NF	no factor from 2^69 to 2^70
2012-04-13	-Anonymous-	NF	no factor from 2^68 to 2^69
2012-04-06	-Anonymous-	NF	no factor from 2^67 to 2^68
2011-05-10	Carsten Kossendey	NF	no factor from 2^65 to 2^67
2010-11-05	GrunwalderGIMP	NF	no factor from 2^64 to 2^65
2008-07-14	-Anonymous-	NF	no factor to 2^64