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
2489759
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
4979519722.2old
ECM
DigitsB1Curves
2550000149 / 280
Estimated T-Level: 22.7
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 KruseE3C84A7FAD92FD27143792953
Verified
PRP without proof (not generated)
2017-11-29storm5510E3C84A7FAD92FD271151066053
History
DateUserTypeResult
2022-08-19USAFSSNF-PM1B1=224000, B2=203668920
2017-11-29storm5510C-PRP
M2489759/4979519 : E3C84A7FAD92FD27
2017-10-14Oliver KruseC-PRP
M2489759/4979519 : E3C84A7FAD92FD27