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Difference between revisions of "Proth prime 2 66741"

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(base)
(the Liskovets-Gallot conjecture for this one has been proved (adding "odd k", otherwise 2*9267 has unknown status))
 
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3767
 
3767
 
6837
 
6837
|PRemarks=This {{Vk}}-value seems the smallest {{Vk}} ≡ 0 mod 3 for which {{Kbn|+|k|n}} is never prime for an even {{Vn}}. See [[Liskovets-Gallot conjectures]].
+
|PRemarks=This {{Vk}}-value was proved in 2015 to be the smallest odd {{Vk}} ≡ 0 mod 3 for which {{Kbn|+|k|n}} is never prime for an even {{Vn}}. See [[Liskovets-Gallot conjectures]].
 
}}
 
}}
 
==History==
 
==History==
 
{{HistC|2020-07-05|50000|Karsten Bonath}}
 
{{HistC|2020-07-05|50000|Karsten Bonath}}

Latest revision as of 09:17, 10 May 2024

Current data

k , b : 66741 , 2
Type : 3Low
Count : 9
Nash : 811
Max n : 50,000
Date : 2020-07-05
5, 51, 95, 117, 237[1], 357, 2231, 3767, 6837
Remarks :
This k-value was proved in 2015 to be the smallest odd k ≡ 0 mod 3 for which k•2n+1 is never prime for an even n. See Liskovets-Gallot conjectures.

Notes

  1. Twin n=237

History