Marin Mersenne 2^P-1
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MnStatusDetails
3303533Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
4463234579299012494696712478.62009-05-29 06:02:20
ECM
DigitsB1Curves
25500004 / 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)1998-02-08Steve Nash2A2C34472EDB06050
Verified (Factored)1999-07-26Troy Marshall2A2C34472EDB06053058531
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-11-04Oliver Kruse225FAFD84B32B4D01156419653
Verified2017-12-14kkmrkkblmbrbk225FAFD84B32B4D01299730453
History
DateUserTypeResult
2022-09-07JossNF-PM1
B1=1060705, B2=226749600
2022-04-20LordJuliusNF
no factor from 2^66 to 2^67
2022-04-20LordJuliusNF
no factor from 2^65 to 2^66
2022-04-20LordJuliusNF
no factor from 2^64 to 2^65
2022-04-20LordJuliusNF
no factor from 2^63 to 2^64
2022-04-20LordJuliusNF
no factor from 2^62 to 2^63
2022-04-20LordJuliusNF
no factor from 2^1 to 2^62
2022-01-24JossNF-PM1
B1=1060705, B2=119912100
2021-05-12JossNF
no factor from 2^67 to 2^68
2020-12-28JossNF-PM1
B1=330353, B2=3303533, E=6
2017-12-14kkmrkkblmbrbkC-PRP
M3303533/446323457929901249469671 : 225FAFD84B32B4D0
PRP: Verified
PRP without proof (not generated)
2017-11-04Oliver KruseC-PRP
M3303533/446323457929901249469671 : 225FAFD84B32B4D0
PRP: Verified
PRP without proof (not generated)
2009-05-29Jürgen DeckerF-ECM
Factor: 446323457929901249469671
2009-04-01S485122NF
no factor from 2^60 to 2^61