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
8399437
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
68539405931032.7old
25226533108331341.22013-11-08 16:59:47
1221685513579707260412166.72020-08-18 11:41:57
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-22rucio55E80D8029CD80E92581306853
Factored
PRP without proof (not generated)
2020-05-18Team_Inspector55E80D8029CD80E92709580053
Verified
PRP without proof (not generated)
2020-08-19Petr Nekvinda55E80D8029CD80E9386759653
History
DateUserTypeResult
2024-03-09Stef42NF-PM1B1=3000000, B2=5958907500
2020-08-19Petr NekvindaC-PRPM8399437/6853940593/2522653310833/122168551357970726041 : 55E80D8029CD80E9
2020-08-18TJAOIFFactor: 122168551357970726041
2020-05-18Team_InspectorC-PRPM8399437/6853940593/2522653310833 : 55E80D8029CD80E9
2018-10-22rucioC-PRPM8399437/6853940593/2522653310833 : 55E80D8029CD80E9
2013-11-08TJAOIFFactor: 2522653310833