Marin Mersenne 2^P-1
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MnStatusDetails
3393461Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
269992813407191665932064.52014-11-09 10:31:16
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1998-03-09John KurnasF090F0747466181F0
Verified (Factored)1999-07-12Alan VidmarF090F0747466181F1575799
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-11-05Oliver KruseFF711F860B14D1021293070153
Verified2017-12-15kkmrkkblmbrbkFF711F860B14D1021272698853
History
DateUserTypeResult
2022-09-05JossNF-PM1
B1=1131153, B2=213444000
2022-04-24LordJuliusNF
no factor from 2^66 to 2^67
2022-04-24LordJuliusNF
no factor from 2^65 to 2^66
2022-04-24LordJuliusNF
no factor from 2^63 to 2^64
2022-04-24LordJuliusNF
no factor from 2^62 to 2^63
2022-04-24LordJuliusNF
no factor from 2^1 to 2^62
2022-01-09JossNF-PM1
B1=1131153, B2=111642300
2021-07-09JossNF
no factor from 2^67 to 2^68
2021-03-14JossNF-PM1
B1=339346, B2=3732807, E=6
2017-12-15kkmrkkblmbrbkC-PRP
M3393461/26999281340719166593 : FF711F860B14D102
PRP: Verified
PRP without proof (not generated)
2017-11-05Oliver KruseC-PRP
M3393461/26999281340719166593 : FF711F860B14D102
PRP: Verified
PRP without proof (not generated)
2014-11-09exhoppF-ECM
Factor: 26999281340719166593
2012-11-15GrunwalderGIMPNF
no factor from 2^1 to 2^63
2011-08-19Grant McCrackenNF
no factor from 2^61 to 2^62
2010-09-16markrNF-PM1
B1=95000, B2=2066250, E=6
2010-09-16Rob_DeeNF-PM1
B1=30000, B2=40000
2010-09-15Rob_DeeNF-PM1
B1=20000, B2=30000
2010-09-14Rob_DeeNF-PM1
B1=10000, B2=20000
2009-03-27S485122NF
no factor from 2^60 to 2^61