78 915 959 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
39571406744747608262927	23	75.1	2016-08-24 13:24:19

P-1 factors

Date	Factor	B1	B2
2016-08-24	39571406744747608262927	665000	13133750

History

Date	User	Type	Result
2016-08-24	basey	F-PM1	Factor: 39571406744747608262927 / (P-1, B1=665000, B2=13133750, E=6)
2016-08-16	AirSquirrels	NF	no factor from 2^74 to 2^75
2016-08-16	AirSquirrels	NF	no factor from 2^73 to 2^74
2016-06-30	RichD0	NF	no factor from 2^72 to 2^73
2016-02-09	RichD0	NF	no factor from 2^71 to 2^72
2013-06-03	PascalBieri	NF	no factor from 2^70 to 2^71
2013-01-26	Lelikoid	NF	no factor from 2^69 to 2^70
2013-01-14	-Anonymous-	NF	no factor from 2^68 to 2^69
2012-04-08	alan145	NF	no factor from 2^67 to 2^68
2011-06-11	Carsten Kossendey	NF	no factor from 2^66 to 2^67
2011-03-24	ANONYMOUS	NF	no factor from 2^65 to 2^66
2010-11-17	ANONYMOUS	NF	no factor from 2^64 to 2^65