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
2487383
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
955155073929.8old
7885978169182811549.52014-04-30 11:33:02
ECM
DigitsB1Curves
2550000161 / 280
Estimated T-Level: 22.9 ⓘ
TF below 2^71 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 Kruse70AA13D73BFBF98A2182683553
Verified
PRP without proof (not generated)
2017-11-29storm551070AA13D73BFBF98A2155664553
History
DateUserTypeResult
2022-08-19USAFSSNF-PM1B1=224000, B2=203668920
2017-11-29storm5510C-PRP
M2487383/955155073/788597816918281 : 70AA13D73BFBF98A
2017-10-14Oliver KruseC-PRP
M2487383/955155073/788597816918281 : 70AA13D73BFBF98A
2014-04-30TJAOIFFactor: 788597816918281