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
8406971
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
2129317614891237.6old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-24storm551045665791637F37161117962853
Verified
PRP without proof (not generated)
2020-05-20Luigi Morelli45665791637F37161504254953
History
DateUserTypeResult
2024-05-12Stef42NF-PM1B1=1025000, B2=2213224650
2020-05-20Luigi MorelliC-PRPM8406971/212931761489 : 45665791637F3716
2018-10-24storm5510C-PRPM8406971/212931761489 : 45665791637F3716