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
14008031Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
28016063824.7old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-12-06kutensE8B9553B44C6C3501780072353
History
DateUserTypeResult
2024-05-10cramsey87NF
no factor from 2^68 to 2^69
2022-12-06curtiscCERT
PRP Certification
Proof certified good
2022-12-06kutensC-PRP
M14008031/28016063 : E8B9553B44C6C350
PRP proof power = 8
PRP: Verified
Proof certified good
2022-10-26nordiNF-PM1
B1=300000, B2=211434300
2022-10-06nordiNF-PM1
B1=300000