Marin Mersenne 2^P-1
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MnStatusDetails
2362967Factored
FactorDigitsBitsDate
6640403898508281827093532479.12020-08-19 03:10:48
ECM
DigitsB1Curves
255000088 / 280
Estimated T-Level: 21.6 ⓘ
TF below 2^67 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Mark Nutcher0F09A1E273EC11CE0
BadGabor KoranyiC76E9A2558233D0A0
Verified (Factored)1999-03-26Jörg Thomsen0F09A1E273EC11CE2353643
Verified (Factored)2018-05-11kkmrkkblmbrbk0F09A1E273EC11CE8949
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2020-08-22Chang Chia-TcheCE3ED714F2DDF6B2137443553
Verified2020-08-23marssystemsCE3ED714F2DDF6B2182387453
History
DateUserTypeResult
2020-08-23marssystemsC-PRP
M2362967/664040389850828182709353 : CE3ED714F2DDF6B2
PRP: Verified
PRP without proof (not generated)
2020-08-22Chang Chia-TcheC-PRP
M2362967/664040389850828182709353 : CE3ED714F2DDF6B2
PRP: Verified
PRP without proof (not generated)
2020-08-19GANF-ECM
Factor: 664040389850828182709353 / (ECM curve 7, B1=50000, B2=5000000, Sigma=3470904619558545)
2019-04-15TJAOINF
no factor from 2^67 to 2^68
2018-05-11kkmrkkblmbrbkC-LL
0F09A1E273EC11CE
2017-06-13Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^59 to 2^60
2015-10-29ramgeisNF
no factor from 2^65 to 2^66
2015-08-30mikrNF-PM1
B1=3000000, B2=100000000, E=12
2015-03-09VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-09VictordeHollanderNF
no factor from 2^63 to 2^64
2014-10-22JossNF-PM1
B1=144326
2014-08-07JossNF-PM1
B1=117163
2013-01-23dbaughNF
no factor from 2^62 to 2^63
2012-05-30Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-01-22Oscar ÖstlinNF-PM1
B1=90000, B2=1822500, E=6
2010-12-23Oscar ÖstlinNF-PM1
B1=75011
2010-11-03JossNF-PM1
B1=20000
2009-01-14Sturle SundeNF
no factor from 2^60 to 2^61