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
1033337Factored
FactorDigitsBitsDate
142709445117301453192063.62008-02-19 09:50:53
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David SlowinskiB860
Verified (Factored)Colin PlumbA7774F76E09ACB860
Verified (Factored)2002-02-10S57483A7774F76E09ACB86416109
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-28Oliver Kruse8250A7F77EA283B51013
Verified2017-10-15Oliver Kruse8250A7F77EA283B5153305913
Verified2017-12-28ATH8250A7F77EA283B5133092013
History
DateUserTypeResult
2022-04-12LordJuliusNF
no factor from 2^62 to 2^63
2022-04-12LordJuliusNF
no factor from 2^61 to 2^62
2022-04-12LordJuliusNF
no factor from 2^1 to 2^61
2021-07-13ViliamFNF-PM1
B1=10000000, B2=1110000000
2017-12-28ATHC-PRP
M1033337/14270944511730145319 : 8250A7F77EA283B5
PRP: Verified
PRP without proof (not generated)
2017-10-15Oliver KruseC-PRP
M1033337/14270944511730145319 : 8250A7F77EA283B5
PRP: Verified
PRP without proof (not generated)
2017-09-28Oliver KruseC-PRP
M1033337/14270944511730145319 : 8250A7F77EA283B5
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=300000, B2=10000000, E=12
2008-02-19Chad DavisF-ECM
Factor: 14270944511730145319