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
2274497
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
8012006662391239.5old
ECM
DigitsB1Curves
2550000280 / 280
30250000123 / 640
Estimated T-Level: 26.0 ⓘ
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 Kruse3C74DC714AF4F4981013
Verified
PRP without proof (not generated)
2017-11-21storm55103C74DC714AF4F4981112250813
History
DateUserTypeResult
2017-11-21storm5510C-PRPM2274497/801200666239 : 3C74DC714AF4F498
2017-10-11Oliver KruseC-PRPM2274497/801200666239 : 3C74DC714AF4F498
2016-05-01alpertronNF-PM1B1=500000, B2=15000000, E=12