Marin Mersenne 2^P-1
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MnStatusDetails
322939Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
1117493551570526973135354325154948466020941133.02019-03-16 10:19:47
ECM
DigitsB1Curves
2550000280 / 280
30250000501 / 640
Estimated T-Level: 28.9 ⓘ
TF below 2^91 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski666A0
Verified (Factored)Unknown666A0
Verified (Factored)Guillermo Ballester ValorD5DE600043A9666A0
Verified (Factored)Eivind TrielD5DE600043A9666A297619
Verified (Factored)2002-01-15Dennis PopeD5DE600043A9666A322154
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2019-03-18ANONYMOUS853C1C742F7B83B412377953
Verified2019-03-18-Anonymous-853C1C742F7B83B4118501653
History
DateUserTypeResult
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2019-03-18-Anonymous-C-PRP
M322939/11174935515705269731353543251549484660209 : 853C1C742F7B83B4
PRP: Verified
PRP without proof (small exponent)
2019-03-18ANONYMOUSC-PRP
M322939/11174935515705269731353543251549484660209 : 853C1C742F7B83B4
PRP: Verified
PRP without proof (small exponent)
2019-03-16alexF-ECM
Factor: 11174935515705269731353543251549484660209 / (ECM curve 312, B1=250000, B2=25000000, Sigma=2655318244881862)
2018-01-22Gordon SpenceNF
no factor from 2^64 to 2^65
2016-06-28mikrNF-PM1
B1=60000000, B2=3000000000, E=12
2015-12-10Gordon SpenceNF
no factor from 2^63 to 2^64
2015-12-10Gordon SpenceNF
no factor from 2^62 to 2^63
2015-07-22NRNF
no factor from 2^61 to 2^62
2012-04-27David CampeauNF
no factor from 2^60 to 2^61
2012-01-17alpertronNF-PM1
B1=10000000, B2=200000000, E=12
2011-08-06JossNF-PM1
B1=1438481
2009-01-23Sturle SundeNF
no factor from 2^59 to 2^60
2008-12-31Sturle SundeNF
no factor from 2^58 to 2^59