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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
113223139Factored
FactorDigitsBitsDate
12123468127165658491060972580.02021-11-29 08:27:28
P-1 factors
DateFactorB1B2
2021-11-291212346812716565849106097550000027838981
History
DateUserTypeResult
2021-11-29Simon JosefssonF-PM1
Factor: 1212346812716565849106097 / (P-1, B1=5500000, B2=27838981)
2021-05-02KrieselNF
no factor from 2^75 to 2^76
2021-01-17arpcarNF
no factor from 2^74 to 2^75
2020-10-06burkhajoNF
no factor from 2^73 to 2^74
2020-04-21SRBaseNF
no factor from 2^72 to 2^73
2019-01-05Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2015-05-03SMoffatNF
no factor from 2^70 to 2^71
2015-03-01Smok_bmv NF
no factor from 2^69 to 2^70
2015-02-23Preben SNF
no factor from 2^68 to 2^69
2015-02-10SMoffatNF
no factor from 2^67 to 2^68
2013-10-12symalladNF
no factor from 2^66 to 2^67
2012-06-05sasaki3NF
no factor from 2^65 to 2^66
2010-09-28Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-06-011997rj7NF
no factor from 2^63 to 2^64