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
8409719
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
67277753826.0old
436726967527191445.32008-09-30 23:52:38
1183405570000715695932166.72020-07-22 10:35:50
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-23rucio00238495DC108D6C2511369653
Factored
PRP without proof (not generated)
2020-05-21marssystems00238495DC108D6C2178888753
Verified
PRP without proof (not generated)
2020-07-25Klaus Nordmann00238495DC108D6C3776628053
History
DateUserTypeResult
2024-03-11Stef42NF-PM1B1=3000000, B2=6020930370
2020-07-25Klaus NordmannC-PRPM8409719/67277753/43672696752719/118340557000071569593 : 00238495DC108D6C
2020-07-22TJAOIFFactor: 118340557000071569593
2020-05-21marssystemsC-PRPM8409719/67277753/43672696752719 : 00238495DC108D6C
2018-10-23rucioC-PRPM8409719/67277753/43672696752719 : 00238495DC108D6C
2008-09-30markrFFactor: 43672696752719