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
15537713Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
2379076192759131547.8old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-08-25kutensE22DE82EFE95CAA41721720853
History
DateUserTypeResult
2023-08-25WeakForceBosonCERT
PRP Certification
Proof certified good
2023-08-25kutensC-PRP
M15537713/237907619275913 : E22DE82EFE95CAA4
PRP proof power = 8
PRP: Verified
Proof certified good
2023-07-25nordiNF-PM1
B1=480000, B2=308477400
2023-07-10nordiNF-PM1
B1=480000