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
15100931Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
30201863824.8old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-06-16PerigD9352F5E9DADF37E11236753653
History
DateUserTypeResult
2023-06-17slandrumCERT
PRP Certification
Proof certified good
2023-06-16PerigC-PRP
M15100931/30201863 : D9352F5E9DADF37E
PRP proof power = 8
PRP: Verified
Proof certified good
2023-05-19JacobZNF-PM1
B1=500000, B2=882240450