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Difference between revisions of "Williams prime PM 3"
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{{HistF|2008-05-23|350767|Borys Jaworski}} | {{HistF|2008-05-23|350767|Borys Jaworski}} | ||
{{HistF|2008-03-08|311835|Borys Jaworski}} | {{HistF|2008-03-08|311835|Borys Jaworski}} | ||
| − | {{HistF|1972|1 ... 235| | + | {{HistF|1972|1 ... 235|Hugh C. Williams,C.R.Zarnke}} |
==External links== | ==External links== | ||
Revision as of 11:29, 4 July 2021
| Reserved! This sequence is currently reserved by: Borys Jaworski |
Current data
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History
- 2009-01-08: Found n = 423253, Borys Jaworski
- 2008-12-14: Found n = 416337, Borys Jaworski
- 2008-05-30: Found n = 353635, Borys Jaworski
- 2008-05-23: Found n = 350767, Borys Jaworski
- 2008-03-08: Found n = 311835, Borys Jaworski
- 1972: Found n = 1 ... 235, Hugh C. Williams, C.R.Zarnke
External links
- Active search, last update post #72
- The sequence A005540 in OEIS
- H.C.Williams, C.R.Zarnke: "Some prime numbers of the forms 2A3^n+1 and 2A3^n-1" Math. Comp. 26 (1972), 995-998
