Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
121758551Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
28101197903036309666861032581.22024-03-17 16:15:32
P-1 factors
DateFactorB1B2
2024-03-172810119790303630966686103663000663000
History
DateUserTypeResult
2024-03-17Smok_bmv F-PM1
Factor: 2810119790303630966686103 / (P-1, B1=663000)
2022-06-24TheJudgerNF
no factor from 2^76 to 2^77
2021-08-21TheJudgerNF
no factor from 2^75 to 2^76
2021-08-21TheJudgerNF
no factor from 2^74 to 2^75
2020-03-03Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2020-03-03Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-07-11PascalBieriNF
no factor from 2^71 to 2^72
2015-06-20PascalBieriNF
no factor from 2^70 to 2^71
2013-12-30GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-12-30GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-12-30GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-15sasaki3NF
no factor from 2^65 to 2^66
2010-10-22Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-19carlos56NF
no factor from 2^63 to 2^64