Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
1840829Factored
FactorDigitsBitsDate
22347664071031.1old
476002722926317819449054232685.32020-06-05 13:14:41
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.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-04Oliver Kruse2A240FEB48A7FAEF1013
Verified (Factored)2017-11-06kkmrkkblmbrbk2A240FEB48A7FAEF17128413
Verified2020-06-06xyuzyzD5E4DF932A0D41F7253589653
Verified2020-06-07marssystemsD5E4DF932A0D41F7287439553
History
DateUserTypeResult
2022-04-03JossNF-PM1
B1=1000000, B2=188329050
2020-06-07marssystemsC-PRP
M1840829/2234766407/47600272292631781944905423 : D5E4DF932A0D41F7
PRP: Verified
PRP without proof (not generated)
2020-06-06xyuzyzC-PRP
M1840829/2234766407/47600272292631781944905423 : D5E4DF932A0D41F7
PRP: Verified
PRP without proof (not generated)
2020-06-05nordiF-ECM
Factor: 47600272292631781944905423 / (ECM curve 25, B1=50000, B2=5000000, Sigma=8835264633798401)
2017-11-06kkmrkkblmbrbkC-PRP
M1840829/2234766407 : 2A240FEB48A7FAEF
PRP: Verified
PRP without proof (not generated)
2017-10-04Oliver KruseC-PRP
M1840829/2234766407 : 2A240FEB48A7FAEF
PRP: Verified
PRP without proof (not generated)