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
2487349
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
986333372471136.5old
884362211843931446.32014-02-11 11:26:40
ECM
DigitsB1Curves
2550000164 / 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 Kruse673A3369AF39D23A2143600853
Verified
PRP without proof (not generated)
2017-11-29storm5510673A3369AF39D23A287614653
History
DateUserTypeResult
2022-08-19USAFSSNF-PM1B1=224000, B2=203668920
2017-11-29storm5510C-PRPM2487349/98633337247/88436221184393 : 673A3369AF39D23A
2017-10-14Oliver KruseC-PRPM2487349/98633337247/88436221184393 : 673A3369AF39D23A
2014-02-11TJAOIFFactor: 88436221184393