Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
8331131
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
16662263824.0old
1337827720292250413532166.92020-11-03 10:12:54
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-13treborD53EB953FA4C9B801454694653
Factored
PRP without proof (not generated)
2020-04-23arnaudD53EB953FA4C9B801104180253
Verified
Certified Good
2020-11-05LordJuliusD53EB953FA4C9B802748371253
History
DateUserTypeResult
2024-05-10Stef42NF-PM1B1=1025000, B2=1519818300
2020-11-05curtiscCERT
Proof certified good
2020-11-05LordJuliusC-PRPM8331131/16662263/133782772029225041353 : D53EB953FA4C9B80
Proof Certified Good

Proof Power: 8

2020-11-03TJAOIFFactor: 133782772029225041353
2020-04-23arnaudC-PRPM8331131/16662263 : D53EB953FA4C9B80
2018-10-13treborC-PRPM8331131/16662263 : D53EB953FA4C9B80