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
2487907
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
59403456890171342.4old
ECM
DigitsB1Curves
2550000147 / 280
Estimated T-Level: 22.6
TF below 2^70 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 KruseF544FEDAAD428E821158526753
Verified
PRP without proof (not generated)
2017-11-29storm5510F544FEDAAD428E82154372853
History
DateUserTypeResult
2022-08-19USAFSSNF-PM1B1=224000, B2=203668920
2017-11-29storm5510C-PRPM2487907/5940345689017 : F544FEDAAD428E82
2017-10-14Oliver KruseC-PRPM2487907/5940345689017 : F544FEDAAD428E82