Marin Mersenne 2^P-1
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MnStatusDetails
2935379Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
5870759722.5old
217218047927.72008-09-07 19:42:57
916869681473031446.42014-02-11 11:56:12
ECM
DigitsB1Curves
255000078 / 280
Estimated T-Level: 21.4
TF below 2^66 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-25Oliver KruseD2C8ED50D08C741D33018253
Verified2017-12-09ATHD2C8ED50D08C741D3188711953
History
DateUserTypeResult
2023-02-09USAFSSNF-PM1
B1=360000, B2=282695490
2017-12-09ATHC-PRP
M2935379/5870759/217218047/91686968147303 : D2C8ED50D08C741D
PRP: Verified
PRP without proof (not generated)
2017-10-25Oliver KruseC-PRP
M2935379/5870759/217218047/91686968147303 : D2C8ED50D08C741D
PRP: Verified
PRP without proof (not generated)
2014-02-11TJAOIF
Factor: 91686968147303
2008-09-07Will EdgingtonF
Factor: 217218047