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

PrimeNet Exponent Status

Exponent Range:





MnDetails
5107111
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
5238261610491238.9old
57477684039016535291962.32016-07-25 13:33:40
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)
2017-09-20kkmrkkblmbrbkCDF378518D001D892013
Verified
PRP without proof (not generated)
2018-05-11storm5510CDF378518D001D892504909113
History
DateUserTypeResult
2025-02-26Sid & AndyNF-PM1B1=3600000, B2=9211762560
2025-01-28Sid & AndyNFno factor TF: 68-70
2024-07-30cramsey87NF-PM1B1=300000, B2=104169030
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-11storm5510C-PRPM5107111/523826161049/5747768403901653529 : CDF378518D001D89
2017-09-20kkmrkkblmbrbkC-PRPM5107111/523826161049/5747768403901653529 : CDF378518D001D89
2016-07-25TJAOIFFactor: 5747768403901653529