80 187 439 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
1272669260144266542133655791	28	90.0	2016-12-14 06:14:19

P-1 factors

Date	Factor	B1	B2
2016-12-14	1272669260144266542133655791	675000	13500000

History

Date	User	Type	Result
2016-12-14	Sarnetsky	F-PM1	Factor: 1272669260144266542133655791 / (P-1, B1=675000, B2=13500000)
2016-10-16	TheJudger	NF	no factor from 2^74 to 2^75
2016-10-16	TheJudger	NF	no factor from 2^73 to 2^74
2016-10-09	ixfd64	NF	no factor from 2^72 to 2^73
2016-03-09	RichD0	NF	no factor from 2^71 to 2^72
2013-06-18	Cow_tipping	NF	no factor from 2^70 to 2^71
2011-01-31	Per Jessen	NF	no factor from 2^69 to 2^70
2011-01-26	Per Jessen	NF	no factor from 2^68 to 2^69
2011-01-23	kelye	NF	no factor from 2^67 to 2^68
2011-01-23	Net_Force	NF	no factor from 2^66 to 2^67
2011-01-22	Martin Bernhardt	NF	no factor from 2^65 to 2^66
2010-12-04	Architects Cubed	NF	no factor from 2^64 to 2^65