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:





MnDetails
2503373
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
228658089831134.4old
956075017376194811756.42015-04-01 11:32:17
ECM
DigitsB1Curves
2550000277 / 280
Estimated T-Level: 24.9
TF below 2^78 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-14Oliver KruseF27E861D5D50A4292226817353
Verified
PRP without proof (not generated)
2017-11-30storm5510F27E861D5D50A429246791553
History
DateUserTypeResult
2022-08-19USAFSSNF-PM1B1=240000, B2=213132150
2017-11-30storm5510C-PRPM2503373/22865808983/95607501737619481 : F27E861D5D50A429
2017-10-14Oliver KruseC-PRPM2503373/22865808983/95607501737619481 : F27E861D5D50A429
2015-04-01TJAOIFFactor: 95607501737619481