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
2788327
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
75962336694471342.8old
ECM
DigitsB1Curves
2550000205 / 280
Estimated T-Level: 23.7
TF below 2^74 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-21Oliver Kruse4C5C82300793053A1217495653
Verified
PRP without proof (not generated)
2017-11-29storm55104C5C82300793053A1244247053
History
DateUserTypeResult
2023-01-19USAFSSNF-PM1B1=330000, B2=261254070
2017-11-29storm5510C-PRPM2788327/7596233669447 : 4C5C82300793053A
2017-10-21Oliver KruseC-PRPM2788327/7596233669447 : 4C5C82300793053A