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
6745997
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
170671025701211444.0old
1175431484059212411856.72015-04-23 11:53:00
4058741474534515822072168.52023-12-23 23:05:33
P-1 factors
DateFactorsB1B2
2023-12-23405874147453451582207
284000284000
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-01-04ATH4E9F2D3722CC556C2352121053
Factored
PRP without proof (not generated)
2018-12-08storm55104E9F2D3722CC556C299176153
Verified
Certified Good
2023-12-28Naegi Makoto4E9F2D3722CC556C3565110953
History
DateUserTypeResult
2025-01-03Stef42NF-PM1B1=1000000, B2=1970702580
2023-12-29KelbCERT
Proof certified good
2023-12-28Naegi MakotoC-PRPM6745997/17067102570121/117543148405921241/405874147453451582207 : 4E9F2D3722CC556C
Proof Certified Good

Proof Power: 8

2023-12-23Stef42F-PM1Factor: 405874147453451582207 / B1=284000
2018-12-08storm5510C-PRPM6745997/17067102570121/117543148405921241 : 4E9F2D3722CC556C
2018-01-04ATHC-PRPM6745997/17067102570121/117543148405921241 : 4E9F2D3722CC556C
2015-04-23TJAOIFFactor: 117543148405921241