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
8328919
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
12841863948450260891960.2old
10211562786768076382431179832889.72024-04-08 17:11:32
P-1 factors
DateFactorsB1B2
2024-04-081021156278676807638243117983
141000210169050
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-11rucio7F5FC88B27DC62781477375853
Factored
PRP without proof (not generated)
2020-04-21Igvan287F5FC88B27DC62781458144253
Verified
Certified Good
2024-04-14ATH7F5FC88B27DC62782411131553
History
DateUserTypeResult
2025-04-14beepNF-PM1B1=1900000, B2=2264742480
2024-04-14Chun sung sooCERT
Proof certified good
2024-04-14ATHC-PRPM8328919/1284186394845026089/1021156278676807638243117983 : 7F5FC88B27DC6278
Proof Certified Good

Proof Power: 8

2024-04-08Stef42F-PM1Factor: 1021156278676807638243117983 / B1=141000, B2=210169050
2020-04-21Igvan28C-PRPM8328919/1284186394845026089 : 7F5FC88B27DC6278
2018-10-11rucioC-PRPM8328919/1284186394845026089 : 7F5FC88B27DC6278
1998-09-06Mark DFFactor: 1284186394845026089