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
8318983
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
349397287928.4old
22794013431031.12008-09-08 04:30:15
13945802733635527788012270.22024-04-08 17:09:52
P-1 factors
DateFactorsB1B2
2024-04-081394580273363552778801
141000210169050
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-08ATH71060605173F60462197951453
Factored
PRP without proof (not generated)
2020-04-18marssystems71060605173F60462533317353
Verified
Certified Good
2024-04-14Extremofire71060605173F60463625350453
History
DateUserTypeResult
2025-04-29beepNF-PM1B1=1900000, B2=10251491250
2024-04-20Team_InspectorCERT
Proof certified good
2024-04-14ExtremofireC-PRPM8318983/349397287/2279401343/1394580273363552778801 : 71060605173F6046
Proof Certified Good

Proof Power: 8

2024-04-08Stef42F-PM1Factor: 1394580273363552778801 / B1=141000, B2=210169050
2020-04-18marssystemsC-PRPM8318983/349397287/2279401343 : 71060605173F6046
2018-10-08ATHC-PRPM8318983/349397287/2279401343 : 71060605173F6046
2008-09-08Will EdgingtonFFactor: 2279401343