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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Exponent Range:










MnStatusDetails
8092243Factored
FactorDigitsBitsDate
8113583770502009685432169.52013-06-13 08:42:27
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2000-04-05Robert Braunwart9479F71F24C2A1813042646
Verified (Factored)2002-11-02Craig Etter9479F71F24C2A1816107664
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-08-09Oliver Kruse1071C7F8481E2D751767511753
Verified2020-01-29marssystems1071C7F8481E2D751439138753
History
DateUserTypeResult
2020-01-29marssystemsC-PRP
M8092243/811358377050200968543 : 1071C7F8481E2D75
PRP: Verified
PRP without proof (not generated)
2018-08-09Oliver KruseC-PRP
M8092243/811358377050200968543 : 1071C7F8481E2D75
PRP: Verified
PRP without proof (not generated)
2013-06-13alan145F-ECM
Factor: 811358377050200968543
2012-10-15NesowaNF-PM1
B1=95000, B2=1615000, E=6
2011-07-26Carsten KossendeyNF
no factor from 2^63 to 2^64