77 947 693 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
395446850110231147004282479	27	88.4	2016-06-03 17:45:52

P-1 factors

Date	Factor	B1	B2
2016-06-03	395446850110231147004282479	660000	13200000

History

Date	User	Type	Result
2016-06-03	basey	F-PM1	Factor: 395446850110231147004282479 / (P-1, B1=660000, B2=13200000, E=12)
2016-05-20	AirSquirrels	NF	no factor from 2^74 to 2^75
2016-05-20	AirSquirrels	NF	no factor from 2^73 to 2^74
2016-05-09	Greg	NF	no factor from 2^72 to 2^73
2016-01-21	1997rj7	NF	no factor from 2^71 to 2^72
2012-02-25	ANONYMOUS	NF	no factor to 2^71
2010-10-21	Geir S. Eidissen	NF	no factor from 2^68 to 2^69
2010-10-16	Geir S. Eidissen	NF	no factor from 2^67 to 2^68
2010-10-08	Simon Dennis	NF	no factor from 2^66 to 2^67
2010-09-29	runesk	NF	no factor from 2^65 to 2^66
2008-10-11	JohnHa0	NF	no factor to 2^65