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
6906763Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
237507124345287771754.4old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-01-18trebor87C6A3D0889534A51220373553
Verified2019-01-21kkmrkkblmbrbk87C6A3D0889534A51203708153
History
DateUserTypeResult
2023-12-26Stef42NF-PM1
B1=569000, B2=1280664000
2019-01-21kkmrkkblmbrbkC-PRP
M6906763/23750712434528777 : 87C6A3D0889534A5
PRP: Verified
PRP without proof (not generated)
2018-01-18treborC-PRP
M6906763/23750712434528777 : 87C6A3D0889534A5
PRP: Verified
PRP without proof (not generated)