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
2307637
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
11445879531030.1old
ECM
DigitsB1Curves
2550000280 / 280
30250000121 / 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)
2017-10-11Oliver KruseB9889E3A8EB7F9DF1013
Verified
PRP without proof (not generated)
2017-11-22storm5510B9889E3A8EB7F9DF116527113
History
DateUserTypeResult
2021-04-08ViliamFNF-PM1B1=5000000, B2=505000000
2018-02-20alpertronNF-PM1B1=500000, B2=15000000, E=12
2017-11-22storm5510C-PRPM2307637/1144587953 : B9889E3A8EB7F9DF
2017-10-11Oliver KruseC-PRPM2307637/1144587953 : B9889E3A8EB7F9DF