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
8030117Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
6659774321903211549.2old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-07-16_p95holder_18E273D75C7C23D0197337753
Verified2020-01-09Chang Chia-Tche18E273D75C7C23D01382215753
History
DateUserTypeResult
2024-02-24Stef42NF-PM1
B1=944000, B2=1792472220
2020-01-09Chang Chia-TcheC-PRP
M8030117/665977432190321 : 18E273D75C7C23D0
PRP: Verified
PRP without proof (not generated)
2018-07-16_p95holder_C-PRP
M8030117/665977432190321 : 18E273D75C7C23D0
PRP: Verified
PRP without proof (not generated)