Marin Mersenne 2^P-1
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MnStatusDetails
2117179Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
108230190491133.3old
1726596736850411547.32008-09-30 14:36:30
80972711753136077879399365272892.72024-08-16 08:50:22
ECM
DigitsB1Curves
2550000280 / 280
30250000164 / 640
Estimated T-Level: 26.3
TF below 2^82 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-07Oliver KruseB3D66DDC6B5A7CC02013
Verified (Factored)2017-11-17kkmrkkblmbrbkB3D66DDC6B5A7CC02129037413
Verified2024-08-18Naegi MakotoDBE0DE9B5989B556334305853
History
DateUserTypeResult
2024-08-18Luke DurantCERT
PRP Certification
Proof certified good
2024-08-18Naegi MakotoC-PRP
M2117179/10823019049/172659673685041/8097271175313607787939936527 : DBE0DE9B5989B556
PRP proof power = 7
PRP: Verified
Proof certified good
2024-08-16TJAOIF-ECM
Factor: 8097271175313607787939936527 / (ECM curve 23, B1=250000, B2=264647565, Edwards Sigma=5995640081953403)
2017-11-17kkmrkkblmbrbkC-PRP
M2117179/10823019049/172659673685041 : B3D66DDC6B5A7CC0
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-07Oliver KruseC-PRP
M2117179/10823019049/172659673685041 : B3D66DDC6B5A7CC0
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-26alpertronNF-PM1
B1=500000, B2=15000000, E=12
2008-09-30markrF
Factor: 172659673685041