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
2347573
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
65497286711032.6old
ECM
DigitsB1Curves
2550000280 / 280
30250000119 / 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 Kruse6752B2663AE52CAC1013
Verified
PRP without proof (not generated)
2017-11-24storm55106752B2663AE52CAC125040113
History
DateUserTypeResult
2018-03-18alpertronNF-PM1B1=500000, B2=15000000, E=12
2017-11-24storm5510C-PRPM2347573/6549728671 : 6752B2663AE52CAC
2017-10-12Oliver KruseC-PRPM2347573/6549728671 : 6752B2663AE52CAC