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
8318291
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
16636583824.0old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-08Chang Chia-Tche640B05C3AC9667671627632553
Verified
PRP without proof (not generated)
2020-04-18marssystems640B05C3AC9667671356750553
History
DateUserTypeResult
2024-06-10Stef42NF-PM1B1=1375000, B2=2725257990
2020-04-18marssystemsC-PRPM8318291/16636583 : 640B05C3AC966767
2018-10-08Chang Chia-TcheC-PRPM8318291/16636583 : 640B05C3AC966767