Marin Mersenne 2^P-1
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MnStatusDetails
2306119Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
17428591525330706569512270.62010-01-11 10:41:25
ECM
DigitsB1Curves
2550000109 / 280
Estimated T-Level: 21.9 ⓘ
TF below 2^68 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Ray StroubleBA0F07FC0EEC58050
Verified (Factored)Tom DraperBA0F07FC0EEC58050
Verified (Factored)Steve PotocnyBA0F07FC0EEC58050
Verified (Factored)1999-03-15Matthew GauthierBA0F07FC0EEC58051803118
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-11Oliver Kruse6B15E3F1889B1D621013
Verified2017-11-22kkmrkkblmbrbk6B15E3F1889B1D62197419113
History
DateUserTypeResult
2021-06-12ViliamFNF-PM1
B1=5000000, B2=505000000
2018-02-19alpertronNF-PM1
B1=500000, B2=15000000, E=12
2017-11-22kkmrkkblmbrbkC-PRP
M2306119/1742859152533070656951 : 6B15E3F1889B1D62
PRP: Verified
PRP without proof (not generated)
2017-10-11Oliver KruseC-PRP
M2306119/1742859152533070656951 : 6B15E3F1889B1D62
PRP: Verified
PRP without proof (not generated)
2010-01-11James HintzF-ECM
Factor: 1742859152533070656951
2009-01-14Sturle SundeNF
no factor from 2^60 to 2^61