Marin Mersenne 2^P-1
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MnStatusDetails
18530251Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
299148226770749900989261612684.62021-11-26 17:57:27
299258564978488074223749998392994.62021-11-26 17:57:27
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)2003-08-08Alex_AlanizD8595E53159392257880291
Verified (Factored)2007-12-03Walt WelchD8595E531593922516321719
P-1 factors
DateFactorB1B2
2021-11-2689522669059273944893549334241927972696479084644788807939800022346000
History
DateUserTypeResult
2021-11-26Architects CubedF-PM1
Factor: 895226690592739448935493342419279726964790846447888079 / (P-1, B1=398000, B2=22346000)
2021-11-06-Anonymous-NF
no factor from 2^72 to 2^73
2021-10-08-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-11SRBaseNF
no factor from 2^70 to 2^71
2020-02-17lycornNF
no factor from 2^69 to 2^70
2018-01-29ramgeisNF
no factor from 2^68 to 2^69
2018-01-29ramgeisNF
no factor from 2^67 to 2^68
2016-03-24Mark RoseNF
no factor from 2^66 to 2^67