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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MnStatusDetails
17240879Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
1383408130971237.0old
2854055109671238.12008-09-08 13:27:37
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-04-04DobriEEC52E3BC00A3DA621568913853
History
DateUserTypeResult
2023-04-05Richard ThomasCERT
PRP Certification
Proof certified good
2023-04-04DobriC-PRP
M17240879/138340813097/285405510967 : EEC52E3BC00A3DA6
PRP proof power = 8
PRP: Verified
Proof certified good
2023-04-04DobriNF-PM1
B1=3000000, B2=3003412230
2008-09-08Will EdgingtonF
Factor: 285405510967