Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
2633333
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
239896636311134.5old
ECM
DigitsB1Curves
2550000127 / 280
Estimated T-Level: 22.3
TF below 2^69 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-17Oliver Kruse2E0A0ECBC674CD88191609353
Verified
PRP without proof (not generated)
2017-12-02storm55102E0A0ECBC674CD881246268653
History
DateUserTypeResult
2019-07-04alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-12-02storm5510C-PRPM2633333/23989663631 : 2E0A0ECBC674CD88
2017-10-17Oliver KruseC-PRPM2633333/23989663631 : 2E0A0ECBC674CD88