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
13560403Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
135604031927.0old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-08-21Poao7A035C8FDDC2E81F1560349053
History
DateUserTypeResult
2022-08-21curtiscCERT
PRP Certification
Proof certified good
2022-08-21PoaoC-PRP
M13560403/135604031 : 7A035C8FDDC2E81F
PRP proof power = 8
PRP: Verified
Proof certified good
2022-07-29nordiNF-PM1
B1=300000, B2=210129150
2022-07-13nordiNF-PM1
B1=300000