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:





MnDetails
8331811
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
128217906206571443.5old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-15Oliver Kruse39AEC2AD51DBC6E31222502053
Verified
PRP without proof (not generated)
2020-04-24arnaud39AEC2AD51DBC6E31628642453
History
DateUserTypeResult
2024-05-10Stef42NF-PM1B1=1025000, B2=1519818300
2020-04-24arnaudC-PRPM8331811/12821790620657 : 39AEC2AD51DBC6E3
2018-10-15Oliver KruseC-PRPM8331811/12821790620657 : 39AEC2AD51DBC6E3