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
6909827Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
3422851901199838071858.2old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-01-23Oliver Kruse76F2B087CCBAE13915855053
Verified2019-01-22kkmrkkblmbrbk76F2B087CCBAE1391653267853
History
DateUserTypeResult
2023-12-26Stef42NF-PM1
B1=569000, B2=1280664000
2019-01-22kkmrkkblmbrbkC-PRP
M6909827/342285190119983807 : 76F2B087CCBAE139
PRP: Verified
PRP without proof (not generated)
2018-01-23Oliver KruseC-PRP
M6909827/342285190119983807 : 76F2B087CCBAE139
PRP: Verified
PRP without proof (not generated)