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
2612431
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
47023759825.5old
ECM
DigitsB1Curves
2550000138 / 280
Estimated T-Level: 22.5
TF below 2^70 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 Kruse09491DEB27CA393F153905453
Verified
PRP without proof (not generated)
2017-12-02storm551009491DEB27CA393F1185640753
History
DateUserTypeResult
2019-07-04alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-12-02storm5510C-PRPM2612431/47023759 : 09491DEB27CA393F
2017-10-15Oliver KruseC-PRPM2612431/47023759 : 09491DEB27CA393F