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:





MnDetails
5084111
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
366055993928.4old
406728880011135.22008-09-08 01:26:19
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbk2E2FCD0B07D60E0A2013
Verified
PRP without proof (not generated)
2018-05-02storm55102E2FCD0B07D60E0A2387842813
History
DateUserTypeResult
2025-01-21Sid & AndyNFno factor TF: 68-70
2025-01-13Sid & AndyNF-PM1B1=3600000, B2=9117768660
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-02storm5510C-PRPM5084111/366055993/40672888001 : 2E2FCD0B07D60E0A
2017-09-20kkmrkkblmbrbkC-PRPM5084111/366055993/40672888001 : 2E2FCD0B07D60E0A
2008-09-08Will EdgingtonFFactor: 40672888001