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
8329471
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
61687155313197531652.5old
79954807724738685971532272.82024-04-08 17:11:34
P-1 factors
DateFactorsB1B2
2024-04-087995480772473868597153
141000210169050
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-11_p95holder_004CE09E19C01F441739926153
Factored
PRP without proof (not generated)
2020-04-24GAN004CE09E19C01F441400786453
Verified
Certified Good
2024-04-14Naegi Makoto004CE09E19C01F442721350153
History
DateUserTypeResult
2025-04-29beepNF-PM1B1=1900000, B2=10251491250
2024-04-15Roger KohnCERT
Proof certified good
2024-04-14Naegi MakotoC-PRPM8329471/6168715531319753/7995480772473868597153 : 004CE09E19C01F44
Proof Certified Good

Proof Power: 8

2024-04-08Stef42F-PM1Factor: 7995480772473868597153 / B1=141000, B2=210169050
2020-04-24GANC-PRPM8329471/6168715531319753 : 004CE09E19C01F44
2018-10-11_p95holder_C-PRPM8329471/6168715531319753 : 004CE09E19C01F44
1998-09-06-anonymous-FFactor: 6168715531319753