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
2470427
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
80634737291032.9old
77515674966891342.82008-09-30 14:37:04
220635928812013775772064.32017-08-24 11:14:54
ECM
DigitsB1Curves
2550000178 / 280
Estimated T-Level: 23.2
TF below 2^72 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 Kruse479645D5FF108493336733853
Verified
PRP without proof (not generated)
2017-11-29storm5510479645D5FF108493328221653
History
DateUserTypeResult
2018-09-28alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-11-29storm5510C-PRPM2470427/8063473729/7751567496689/22063592881201377577 : 479645D5FF108493
2017-10-14Oliver KruseC-PRPM2470427/8063473729/7751567496689/22063592881201377577 : 479645D5FF108493
2017-08-24TJAOIFFactor: 22063592881201377577
2008-09-30markrFFactor: 7751567496689