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
8398337
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
371109578591031445.1old
1517103646125591547.12014-02-26 11:40:28
1375181499504311551612166.92020-11-26 11:09:09
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-25Oliver Kruse799D75DA664C49F92339318153
Factored
PRP without proof (not generated)
2020-05-18Luigi Morelli799D75DA664C49F92771415953
Verified
Certified Good
2020-11-26mrh799D75DA664C49F93131722553
History
DateUserTypeResult
2024-03-08Stef42NF-PM1B1=3000000, B2=6238227450
2020-11-26Ben DeloCERT
Proof certified good
2020-11-26mrhC-PRPM8398337/37110957859103/151710364612559/137518149950431155161 : 799D75DA664C49F9
Proof Certified Good

Proof Power: 8

2020-11-26TJAOIFFactor: 137518149950431155161
2020-05-18Luigi MorelliC-PRPM8398337/37110957859103/151710364612559 : 799D75DA664C49F9
2018-10-25Oliver KruseC-PRPM8398337/37110957859103/151710364612559 : 799D75DA664C49F9
2014-02-26TJAOIFFactor: 151710364612559