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
8346389
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
121356496071133.5old
154241268731133.82008-09-08 04:30:50
41715252222011341.92008-09-08 04:30:51
2596007585335166148712167.82023-05-17 11:56:57
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-14rucio1F182275289C47D33270880953
Factored
PRP without proof (not generated)
2020-04-29daveward20051F182275289C47D33811513953
Verified
Certified Good
2023-05-17Naegi Makoto1F182275289C47D3445029453
History
DateUserTypeResult
2024-03-06Stef42NF-PM1B1=3000000, B2=5958907500
2023-05-18xanderootCERT
Proof certified good
2023-05-17Naegi MakotoC-PRPM8346389/12135649607/15424126873/4171525222201/259600758533516614871 : 1F182275289C47D3
Proof Certified Good

Proof Power: 8

2023-05-17TJAOIFFactor: 259600758533516614871
2020-04-29daveward2005C-PRPM8346389/12135649607/15424126873/4171525222201 : 1F182275289C47D3
2018-10-14rucioC-PRPM8346389/12135649607/15424126873/4171525222201 : 1F182275289C47D3
2008-09-08Will EdgingtonFFactor: 4171525222201
2008-09-08Will EdgingtonFFactor: 15424126873