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
2592761
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
207420881927.6old
ECM
DigitsB1Curves
2550000186 / 280
Estimated T-Level: 23.3
TF below 2^72 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-15Oliver KruseCEC370AA7F9AED9B1199662853
Verified
PRP without proof (not generated)
2017-12-02storm5510CEC370AA7F9AED9B148255253
History
DateUserTypeResult
2022-09-04USAFSSNF-PM1B1=240000, B2=191586780
2017-12-02storm5510C-PRPM2592761/207420881 : CEC370AA7F9AED9B
2017-10-15Oliver KruseC-PRPM2592761/207420881 : CEC370AA7F9AED9B