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
8428333
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
50569999825.6old
1140301767185024738092166.62020-06-25 09:12:09
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-25rucio6854F7A1F7C8A2361591767553
Factored
PRP without proof (not generated)
2020-05-27Luigi Morelli6854F7A1F7C8A236161794353
Verified
PRP without proof (not generated)
2020-06-25mrh6854F7A1F7C8A2362157187053
History
DateUserTypeResult
2024-05-20Stef42NF-PM1B1=1025000, B2=2213224650
2020-06-25mrhC-PRPM8428333/50569999/114030176718502473809 : 6854F7A1F7C8A236
2020-06-25TJAOIFFactor: 114030176718502473809
2020-05-27Luigi MorelliC-PRPM8428333/50569999 : 6854F7A1F7C8A236
2018-10-25rucioC-PRPM8428333/50569999 : 6854F7A1F7C8A236