81 335 461 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
77632671635510817177167	23	76.0	2017-06-28 15:32:50

P-1 factors

Date	Factor	B1	B2
2017-06-28	77632671635510817177167	690000	14145000

History

Date	User	Type	Result
2017-06-28	Sergey Nosov	F-PM1	Factor: 77632671635510817177167 / (P-1, B1=690000, B2=14145000, E=12)
2016-11-19	-Anonymous-	NF	no factor from 2^74 to 2^75
2016-11-19	-Anonymous-	NF	no factor from 2^73 to 2^74
2016-10-02	Bdot	NF	no factor from 2^72 to 2^73
2013-07-17	SRS Technology	NF	no factor from 2^71 to 2^72
2013-07-17	SRS Technology	NF	no factor from 2^70 to 2^71
2013-06-11	g0b	NF	no factor from 2^69 to 2^70
2013-06-10	g0b	NF	no factor from 2^68 to 2^69
2013-03-03	Simon Harrison	NF	no factor from 2^67 to 2^68
2013-01-30	phoenicis	NF	no factor from 2^66 to 2^67
2011-04-03	dsl	NF	no factor from 2^65 to 2^66
2010-12-13	Architects Cubed	NF	no factor from 2^64 to 2^65