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
8040503Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
144524789202346571753.7old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-07-24_p95holder_CBE370D5C8E6998C175101053
Verified2020-01-08marssystemsCBE370D5C8E6998C1752171453
History
DateUserTypeResult
2024-02-25Stef42NF-PM1
B1=944000, B2=1792472220
2020-01-08marssystemsC-PRP
M8040503/14452478920234657 : CBE370D5C8E6998C
PRP: Verified
PRP without proof (not generated)
2018-07-24_p95holder_C-PRP
M8040503/14452478920234657 : CBE370D5C8E6998C
PRP: Verified
PRP without proof (not generated)