Marin Mersenne 2^P-1
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MnStatusDetails
16302073Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
7391503683710130209287908732789.32022-03-09 16:52:49
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)2002-12-25Mark Thakkar93BD2C18696BD75E13870160
Verified (Factored)2007-05-12Ars Technica Team Prime Rib93BD2C18696BD75E779762
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-02-28PerigE6C55123FF6CAD7211266056053
P-1 factors
DateFactorB1B2
2022-03-097391503683710130209287908731000000131084310
History
DateUserTypeResult
2024-02-28DominicBCERT
PRP Certification
Proof certified good
2024-02-28PerigC-PRP
M16302073/739150368371013020928790873 : E6C55123FF6CAD72
PRP proof power = 8
PRP: Verified
Proof certified good
2022-03-09masserF-PM1
Factor: 739150368371013020928790873 / (P-1, B1=1000000, B2=131084310)
2021-09-16-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-09SRBaseNF
no factor from 2^70 to 2^71
2021-01-20seatseaNF
no factor from 2^69 to 2^70
2018-02-10ramgeisNF
no factor from 2^68 to 2^69
2018-02-10ramgeisNF
no factor from 2^67 to 2^68
2016-03-16Mark RoseNF
no factor from 2^65 to 2^66
2014-08-18NesowaNF
no factor from 2^66 to 2^67