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
1794697Factored
FactorDigitsBitsDate
30278948122303642311961.42009-07-11 12:36:02
1602294574243519028872167.12020-06-29 15:52:25
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 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)The Grebelius Family8AF92D94155B8A8F0
Verified (Factored)1998-12-13Jakob Trier8AF92D94155B8A8F348061
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-03Oliver Kruse2D6338D3CD5CD5F61013
Verified (Factored)2017-11-05Chang Chia-Tche2D6338D3CD5CD5F61157504713
Verified2020-06-29ATH60C091F585DEBA272162574953
Verified2020-06-29MarkS60C091F585DEBA27219361553
History
DateUserTypeResult
2020-06-29MarkSC-PRP
M1794697/3027894812230364231/160229457424351902887 : 60C091F585DEBA27
PRP: Verified
PRP without proof (not generated)
2020-06-29ATHC-PRP
M1794697/3027894812230364231/160229457424351902887 : 60C091F585DEBA27
PRP: Verified
PRP without proof (not generated)
2020-06-29nordiF-ECM
Factor: 160229457424351902887 / (ECM curve 3, B1=50000, B2=5000000, Sigma=5228943613188320)
2017-11-05Chang Chia-TcheC-PRP
M1794697/3027894812230364231 : 2D6338D3CD5CD5F6
PRP: Verified
PRP without proof (not generated)
2017-10-03Oliver KruseC-PRP
M1794697/3027894812230364231 : 2D6338D3CD5CD5F6
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12
2009-07-11SubPrimeF-ECM
Factor: 3027894812230364231