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
89023183Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
966695208676834623034632376.42020-12-04 04:37:12
PRP
StatusDateUserResidueShiftTypeBase
Verified (Factored)2019-02-23Franklin Webber3B91C0C992062E865186509313
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2025-02-25kkmrkkblmbrbk3B91C0C992062E8611591194353
History
DateUserTypeResult
2025-02-25MxguyCERT
PRP Certification
Proof certified good
2025-02-25kkmrkkblmbrbkC-PRP
M89023183/96669520867683462303463 : 3B91C0C992062E86
PRP proof power = 9
PRP: Verified
Proof certified good
2020-12-04Smok_bmv F
Factor: 96669520867683462303463 / TF: 76-77*
2019-02-23Franklin WebberC-PRP
3B91C0C992062E86
PRP: Verified (Factored)
PRP without proof (not generated)
2018-11-04TheJudgerNF-PM1
B1=725000, B2=14318750, E=12
2018-09-09TheJudgerNF
no factor from 2^75 to 2^76
2018-09-09TheJudgerNF
no factor from 2^74 to 2^75
2017-08-13gcardonaNF
no factor from 2^73 to 2^74
2017-08-11linamentNF
no factor from 2^72 to 2^73
2016-12-14sasakiNF
no factor from 2^71 to 2^72
2014-11-28SMoffatNF
no factor from 2^70 to 2^71
2014-01-26Ryan PropperNF
no factor from 2^69 to 2^70
2014-01-26Ryan PropperNF
no factor from 2^68 to 2^69
2013-12-25Carsten KossendeyNF
no factor from 2^67 to 2^68
2013-10-21amed33NF
no factor from 2^66 to 2^67
2013-08-18RobishNF
no factor from 2^65 to 2^66
2010-10-30Architects CubedNF
no factor from 2^64 to 2^65