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
8298473
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
21230581107361979931960.9old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-04Oliver Kruse60F472555F9B00561514573953
Verified
PRP without proof (not generated)
2020-05-09Luigi Morelli60F472555F9B00561125383253
History
DateUserTypeResult
2024-04-07Stef42NF-PM1B1=971000, B2=2344988100
2020-05-09Luigi MorelliC-PRPM8298473/2123058110736197993 : 60F472555F9B0056
2018-10-04Oliver KruseC-PRPM8298473/2123058110736197993 : 60F472555F9B0056
1998-10-29quantumfoam5678FFactor: 2123058110736197993
1998-10-11quantumfoam5678FFactor: 2123058110736197993
1998-09-13quantumfoam5678FFactor: 2123058110736197993