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Difference between revisions of "Riesel prime 2 172677"
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{{Riesel prime | {{Riesel prime | ||
|Rk=172677 | |Rk=172677 | ||
| + | |Rb=2 | ||
|RCount=9 | |RCount=9 | ||
|RNash=1298 | |RNash=1298 | ||
| Line 17: | Line 18: | ||
24128 | 24128 | ||
30088 | 30088 | ||
| − | |RRemarks=This | + | |RRemarks=This {{Vk}}-value seems the smallest {{Vk}} ≡ 0 mod 3 for which {{Kbn|k|n}} is never prime for an odd {{Vn}}. See [[Liskovets-Gallot conjectures]]. |
|RSieve= | |RSieve= | ||
}} | }} | ||
==History== | ==History== | ||
{{HistC|2020-07-05|50000|Karsten Bonath}} | {{HistC|2020-07-05|50000|Karsten Bonath}} | ||
Latest revision as of 12:53, 29 July 2021
Current data
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Remarks : |
This k-value seems the smallest k ≡ 0 mod 3 for which k•2n-1 is never prime for an odd n. See Liskovets-Gallot conjectures. |
History
- 2020-07-05: Checked to n = 50000, Karsten Bonath
