Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
2447267
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
513926071928.9old
ECM
DigitsB1Curves
2550000170 / 280
Estimated T-Level: 23.0
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)
2017-10-13Oliver Kruse547C99A9DB17C9091101848053
Verified
PRP without proof (not generated)
2017-11-28storm5510547C99A9DB17C9091165517653
History
DateUserTypeResult
2018-09-28alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-11-28storm5510C-PRPM2447267/513926071 : 547C99A9DB17C909
2017-10-13Oliver KruseC-PRPM2447267/513926071 : 547C99A9DB17C909