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

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Exponent Range:





MnDetails
2487167
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
37232740759991341.8old
ECM
DigitsB1Curves
2550000163 / 280
Estimated T-Level: 22.9
TF below 2^71 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 KruseF2445BF70F866F99191622253
Verified
PRP without proof (not generated)
2017-11-29storm5510F2445BF70F866F991154902853
History
DateUserTypeResult
2022-08-18USAFSSNF-PM1B1=224000, B2=203668920
2017-11-29storm5510C-PRPM2487167/3723274075999 : F2445BF70F866F99
2017-10-14Oliver KruseC-PRPM2487167/3723274075999 : F2445BF70F866F99