90 190 943 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
511988680069894440227609	24	78.8	2019-01-20 23:56:01

P-1 factors

Date	Factor	B1	B2
2019-01-20	511988680069894440227609	690000	12937500

History

Date	User	Type	Result
2024-05-16	James Heinrich	NF	no factor from 2^68 to 2^69
2019-01-20	ky0uraku	F-PM1	Factor: 511988680069894440227609 / (P-1, B1=690000, B2=12937500, E=6)
2019-01-13	TheJudger	NF	no factor from 2^76 to 2^77
2018-11-25	TheJudger	NF	no factor from 2^75 to 2^76
2018-11-25	TheJudger	NF	no factor from 2^74 to 2^75
2018-01-15	Carsten Kossendey	NF	no factor from 2^73 to 2^74
2016-08-28	Carsten Kossendey	NF	no factor from 2^72 to 2^73
2015-02-09	Carsten Kossendey	NF	no factor from 2^71 to 2^72
2014-11-18	shauge	NF	no factor from 2^70 to 2^71
2013-11-18	Carsten Kossendey	NF	no factor from 2^69 to 2^70
2011-05-03	Carsten Kossendey	NF	no factor from 2^68 to 2^69
2010-12-18	Carsten Kossendey	NF	no factor from 2^67 to 2^68
2010-07-23	Carsten Kossendey	NF	no factor from 2^66 to 2^67