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
15276719Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
24748284791031.2old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-07-08Perig0870C30B751C9FAE11269329753
History
DateUserTypeResult
2023-07-08James HeinrichCERT
PRP Certification
Proof certified good
2023-07-08PerigC-PRP
M15276719/2474828479 : 0870C30B751C9FAE
PRP proof power = 8
PRP: Verified
Proof certified good
2023-06-06nordiNF-PM1
B1=400000, B2=418099500
2023-05-16nordiNF-PM1
B1=400000