Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
6917299Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
49804552811032.2old
569819975807931445.72008-09-30 21:53:48
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-01-18ee33t1B54092F0783C493E220522453
Verified2019-01-24kkmrkkblmbrbkB54092F0783C493E2300672953
History
DateUserTypeResult
2023-12-27Stef42NF-PM1
B1=569000, B2=1280664000
2019-01-24kkmrkkblmbrbkC-PRP
M6917299/4980455281/56981997580793 : B54092F0783C493E
PRP: Verified
PRP without proof (not generated)
2018-01-18ee33t1C-PRP
M6917299/4980455281/56981997580793 : B54092F0783C493E
PRP: Verified
PRP without proof (not generated)
2008-09-30markrF
Factor: 56981997580793