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
5864207Factored
FactorDigitsBitsDate
45047458512397935401032271.92011-05-26 01:55:41
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1998-10-04Chris ShireyEF00B314974CFF910
Verified (Factored)2000-12-07Alle GiraffEF00B314974CFF912587285
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-20kkmrkkblmbrbk0BA1E1563E8060971013
Verified2018-08-31arnaud0BA1E1563E806097126369613
History
DateUserTypeResult
2018-08-31arnaudC-PRP
M5864207/4504745851239793540103 : 0BA1E1563E806097
PRP: Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M5864207/4504745851239793540103 : 0BA1E1563E806097
PRP: Verified
PRP without proof (not generated)
2011-05-26JimBaF-ECM
Factor: 4504745851239793540103
2011-04-27USAFSSNF-PM1
B1=65000, B2=1088750, E=6
2009-03-21GrunwalderGIMPNF
no factor from 2^62 to 2^63