Marin Mersenne 2^P-1
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MnStatusDetails
18649699Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
10402233747535710106792269.82020-02-09 21:48:37
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^61 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2003-06-23Michael VahleA9C78C2379C91E073054105
Verified (Factored)2007-01-16TheJudgerA9C78C2379C91E073732198
History
DateUserTypeResult
2025-06-15GregF
Factor: 1040223374753571010679 / TF: 69-70
2020-02-09lycornF
Factor: 1040223374753571010679 / TF: 69-70*
2018-02-02ramgeisNF
no factor from 2^68 to 2^69
2018-02-02ramgeisNF
no factor from 2^67 to 2^68
2014-08-07NesowaNF
no factor from 2^66 to 2^67