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
8323817
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
49942903825.6old
20020519277745505931960.82016-03-07 12:21:48
16429760959500317683855612580.42025-04-21 01:00:19
1594804457064681872937769992787.02024-04-08 17:11:23
P-1 factors
DateFactorsB1B2
2025-04-211642976095950031768385561
190000010261521270
2024-04-08159480445706468187293776999
141000210169050
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-12Justine V.636CE5FB1591CE662122942853
Factored
PRP without proof (not generated)
2020-04-19oodaira636CE5FB1591CE662667920953
Factored
Certified Good
2024-04-15Max Dettweiler636CE5FB1591CE663498515253
Verified
Certified Good
2025-04-27Resolver636CE5FB1591CE664324124853
History
DateUserTypeResult
2025-04-27ikeCERT
Proof certified good
2025-04-27ResolverC-PRPM8323817/49942903/2002051927774550593/1642976095950031768385561/159480445706468187293776999 : 636CE5FB1591CE66
Proof Certified Good

Proof Power: 8

2025-04-21beepF-PM1Factor: 1642976095950031768385561 / B1=1900000, B2=10261521270
2024-04-15William WallaceCERT
Proof certified good
2024-04-15Max DettweilerC-PRPM8323817/49942903/2002051927774550593/159480445706468187293776999 : 636CE5FB1591CE66
Proof Certified Good

Proof Power: 8

2024-04-08Stef42F-PM1Factor: 159480445706468187293776999 / B1=141000, B2=210169050
2020-04-19oodairaC-PRPM8323817/49942903/2002051927774550593 : 636CE5FB1591CE66
2018-10-12Justine V.C-PRPM8323817/49942903/2002051927774550593 : 636CE5FB1591CE66
2016-03-07TJAOIFFactor: 2002051927774550593