Marin Mersenne 2^P-1
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MnStatusDetails
17047831Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
97919127166402571226172273.12022-01-06 18:34:06
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)2003-07-06Anastassios Sideridis0AC91E690287D4BD5685615
Verified (Factored)2006-05-12Scott D. Bardwick0AC91E690287D4BD12994422
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-08-30XZT00657823899BDE481840021753
History
DateUserTypeResult
2024-08-30ky0urakuCERT
PRP Certification
Proof certified good
2024-08-30XZTC-PRP
M17047831/9791912716640257122617 : 00657823899BDE48
PRP proof power = 8
PRP: Verified
Proof certified good
2024-06-20nordiNF-PM1
B1=500000, B2=254324994
2024-05-02nordiNF-PM1
B1=500000
2022-01-06Jon PaceF
Factor: 9791912716640257122617 / TF: 73-74
2022-01-03Dylan DelgadoNF
no factor from 2^72 to 2^73
2021-10-09-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-16SRBaseNF
no factor from 2^70 to 2^71
2020-01-19masserNF
no factor from 2^69 to 2^70
2017-10-24ramgeisNF
no factor from 2^68 to 2^69
2016-03-17Mark RoseNF
no factor from 2^65 to 2^66
2016-01-13mikrNF
no factor from 2^67 to 2^68
2014-09-15NesowaNF
no factor from 2^66 to 2^67