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:










MnStatusDetails
12379229Factored
FactorDigitsBitsDate
776175677254954144972066.12015-03-13 09:54:12
LL
StatusDateUserResidueShift
Verified (Factored)2001-11-03Lee SmithD26A9DC9B41FF6419056995
Verified (Factored)2004-09-16Julian StraubD26A9DC9B41FF6418777780
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2022-03-22kracker92AFC4B11609ADBA11212984253
Verified2022-03-23ATH92AFC4B11609ADBA1951759853
History
DateUserTypeResult
2022-04-10LordJuliusNF
no factor from 2^67 to 2^68
2022-03-23lajo321CERT
PRP Certification
Proof certified good
2022-03-23ATHC-PRP
M12379229/77617567725495414497 : 92AFC4B11609ADBA
PRP proof power = 8
PRP: Verified
Proof certified good
2022-03-22krackerC-PRP
M12379229/77617567725495414497 : 92AFC4B11609ADBA
PRP: Verified
PRP without proof (not generated)
2022-03-05nordiNF-PM1
B1=400000, B2=266270550
2022-02-17nordiNF-PM1
B1=400000
2015-03-13ThaF
Factor: 77617567725495414497 / TF: 66-67
2013-09-18NesowaNF
no factor from 2^65 to 2^66
2013-07-22lycornNF
no factor from 2^64 to 2^65