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:










MnStatusDetails
13750567Factored
FactorDigitsBitsDate
904647877850631446.4old
16920268776585431650.62014-06-03 11:45:56
ECM
DigitsB1Curves
255000013 / 280
Estimated T-Level: 20.2 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-10-01riccardo uberti08E7CEF613666A102655784953
History
DateUserTypeResult
2022-10-02riccardo ubertiNF-PM1
B1=1500000, B2=101077410
2022-10-01Team_InspectorCERT
PRP Certification
Proof certified good
2022-10-01riccardo ubertiC-PRP
M13750567/90464787785063/1692026877658543 : 08E7CEF613666A10
PRP proof power = 8
PRP: Verified
Proof certified good
2022-09-09nordiNF-PM1
B1=300000, B2=213802050
2022-08-09nordiNF-PM1
B1=300000
2014-06-03TJAOIF
Factor: 1692026877658543