Marin Mersenne 2^P-1
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MnStatusDetails
2383679Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
1436359505203174036179672476.92020-04-10 04:13:11
ECM
DigitsB1Curves
2550000163 / 280
Estimated T-Level: 22.9 ⓘ
TF below 2^71 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Jeff CareyB159AC4F7DF4DF7B0
Verified (Factored)1999-03-26Glen KB159AC4F7DF4DF7B1639272
Verified (Factored)2018-05-15kkmrkkblmbrbkB159AC4F7DF4DF7B1797237
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2020-04-10M MillerCC188E39933EBDC3183813853
Verified2020-04-13Luigi MorelliCC188E39933EBDC31236019053
History
DateUserTypeResult
2020-04-13Luigi MorelliC-PRP
M2383679/143635950520317403617967 : CC188E39933EBDC3
PRP: Verified
PRP without proof (not generated)
2020-04-10M MillerC-PRP
M2383679/143635950520317403617967 : CC188E39933EBDC3
PRP: Verified
PRP without proof (not generated)
2020-04-10Oliver KruseF-ECM
Factor: 143635950520317403617967 / (ECM curve 3, B1=50000, B2=5000000, Sigma=7974971686450893)
2019-03-18TJAOINF
no factor from 2^67 to 2^68
2018-05-15kkmrkkblmbrbkC-LL
B159AC4F7DF4DF7B
2017-06-21Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^59 to 2^60
2015-11-01ramgeisNF
no factor from 2^65 to 2^66
2015-10-27mikrNF-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
2014-09-11JossNF-PM1
B1=126927
2013-01-23dbaughNF
no factor from 2^62 to 2^63
2012-06-01Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-12-26markrNF-PM1
B1=100000, B2=2075000, E=6
2010-11-15JossNF-PM1
B1=20000
2010-11-08JossNF-PM1
B1=15000
2009-01-15Sturle SundeNF
no factor from 2^60 to 2^61