Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnDetails
2579341
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
86665857611033.0old
ECM
DigitsB1Curves
255000084 / 280
Estimated T-Level: 21.5
TF below 2^66 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 Kruse0AD7917FA46D00FE1253357053
Verified
PRP without proof (not generated)
2017-12-01storm55100AD7917FA46D00FE1185415553
History
DateUserTypeResult
2022-09-03USAFSSNF-PM1B1=240000, B2=188075250
2017-12-01storm5510C-PRPM2579341/8666585761 : 0AD7917FA46D00FE
2017-10-15Oliver KruseC-PRPM2579341/8666585761 : 0AD7917FA46D00FE