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
2341477
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
31282132731031.5old
ECM
DigitsB1Curves
2550000280 / 280
30250000120 / 640
Estimated T-Level: 25.9
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-12Oliver KruseC9D1BB79AE132B2F1013
Verified
PRP without proof (not generated)
2017-11-24storm5510C9D1BB79AE132B2F1116676413
History
DateUserTypeResult
2018-03-18alpertronNF-PM1B1=500000, B2=15000000, E=12
2017-11-24storm5510C-PRPM2341477/3128213273 : C9D1BB79AE132B2F
2017-10-12Oliver KruseC-PRPM2341477/3128213273 : C9D1BB79AE132B2F