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Difference between revisions of "Williams prime PM 3"
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{{Williams prime | {{Williams prime | ||
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==History== | ==History== | ||
| − | + | {{HistF|2009-01-08|423253|Borys Jaworski}} | |
| − | + | {{HistF|2008-12-14|416337|Borys Jaworski}} | |
| − | + | {{HistF|2008-05-30|353635|Borys Jaworski}} | |
| − | + | {{HistF|2008-05-23|350767|Borys Jaworski}} | |
| − | + | {{HistF|2008-03-08|311835|Borys Jaworski}} | |
| − | + | {{HistF|1972|1 ... 235|H.C.Williams,C.R.Zarnke}} | |
==External links== | ==External links== | ||
Revision as of 23:40, 17 May 2019
| 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, H.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
