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
2259503
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
4519007722.1old
ECM
DigitsB1Curves
2550000280 / 280
30250000149 / 640
Estimated T-Level: 26.2 ⓘ
TF below 2^82 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-10Oliver Kruse0A20DB63592151351013
Verified
PRP without proof (not generated)
2017-11-21storm55100A20DB63592151351208585813
History
DateUserTypeResult
2017-11-21storm5510C-PRPM2259503/4519007 : 0A20DB6359215135
2017-10-10Oliver KruseC-PRPM2259503/4519007 : 0A20DB6359215135
2016-04-15alpertronNF-PM1B1=500000, B2=15000000, E=12