Marin Mersenne 2^P-1
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MnStatusDetails
17788139Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
90463331821925731613532272.92022-06-29 02:45:15
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)2003-05-19Ryoichi DoiE3F928528A7B85159800461
Verified (Factored)2007-02-05Nico WeberE3F928528A7B851515467844
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2025-03-10pilotpsk90702B04E37A514711715048553
P-1 factors
DateFactorB1B2
2022-06-29904633318219257316135310000001000000
History
DateUserTypeResult
2025-03-10Robert WalkerCERT
PRP Certification
Proof certified good
2025-03-10pilotpskC-PRP
M17788139/9046333182192573161353 : 90702B04E37A5147
PRP proof power = 8
PRP: Verified
Proof certified good
2022-06-29alpertronF-PM1
Factor: 9046333182192573161353 / (P-1, B1=1000000)
2021-09-24-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-10SRBaseNF
no factor from 2^70 to 2^71
2020-04-14lycornNF
no factor from 2^69 to 2^70
2018-02-11ramgeisNF
no factor from 2^68 to 2^69
2018-02-11ramgeisNF
no factor from 2^67 to 2^68
2016-03-18Mark RoseNF
no factor from 2^65 to 2^66
2014-08-23NesowaNF
no factor from 2^66 to 2^67