Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
8317891
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
162425287493031443.9old
2428774777498560339612167.72023-03-03 09:49:06
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-07ATH6185A672A0DF9BC71785780453
Factored
PRP without proof (not generated)
2020-04-19daveward20056185A672A0DF9BC71538023953
Verified
Certified Good
2023-03-10mrh6185A672A0DF9BC72124684553
History
DateUserTypeResult
2024-06-10Stef42NF-PM1B1=1367000, B2=2598501360
2023-03-10EnsiferumCERT
Proof certified good
2023-03-10mrhC-PRPM8317891/16242528749303/242877477749856033961 : 6185A672A0DF9BC7
Proof Certified Good

Proof Power: 8

2023-03-03TJAOIFFactor: 242877477749856033961
2020-04-19daveward2005C-PRPM8317891/16242528749303 : 6185A672A0DF9BC7
2018-10-07ATHC-PRPM8317891/16242528749303 : 6185A672A0DF9BC7