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

PrimeNet Exponent Status

Exponent Range:





MnDetails
8328401
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
75587303715770722971962.7old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-11rucioAB33FFBCEF6C7C8D1688958853
Verified
PRP without proof (not generated)
2020-04-22arnaudAB33FFBCEF6C7C8D197002553
History
DateUserTypeResult
2024-06-10Stef42NF-PM1B1=1390000, B2=2978771250
2020-04-22arnaudC-PRPM8328401/7558730371577072297 : AB33FFBCEF6C7C8D
2018-10-11rucioC-PRPM8328401/7558730371577072297 : AB33FFBCEF6C7C8D
1999-01-29-anonymous-FFactor: 7558730371577072297
1998-09-06-anonymous-NFno factor TF: 1-62