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Difference between revisions of "Williams prime MM 3"
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1063844;104556 | 1063844;104556 | ||
1360104;120178 | 1360104;120178 | ||
| + | |WiRemarks=See [http://www.ams.org/journals/mcom/1972-26-120/S0025-5718-1972-0314747-X/S0025-5718-1972-0314747-X.pdf 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<br>The {{OEIS|l|A003307}} | ||
}} | }} | ||
==History== | ==History== | ||
| + | {{HistC|2019-03-01|1840000|Borys Jaworski|509799}} | ||
{{HistF|2015-07-31|1360104|Borys Jaworski}} | {{HistF|2015-07-31|1360104|Borys Jaworski}} | ||
{{HistF|2012-02-12|1063844|Borys Jaworski}} | {{HistF|2012-02-12|1063844|Borys Jaworski}} | ||
| Line 56: | Line 58: | ||
{{HistF|2001-06-30|49340|Wilfrid Keller}} | {{HistF|2001-06-30|49340|Wilfrid Keller}} | ||
{{HistF|1972-10|1 - 222|Hugh C. Williams,C.R.Zarnke}} | {{HistF|1972-10|1 - 222|Hugh C. Williams,C.R.Zarnke}} | ||
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Revision as of 09:45, 27 May 2019
| Reserved! This sequence is currently reserved by: Borys Jaworski |
Current data
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Remarks : |
See 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 The sequence A003307 in OEIS |
History
- 2019-03-01: Checked to n = 1840000, Borys Jaworski
- 2015-07-31: Found n = 1360104, Borys Jaworski
- 2012-02-12: Found n = 1063844, Borys Jaworski
- 2011-09-01: Found n = 1010743, Borys Jaworski
- 2009-04-12: Checked to n = 570000, David Broadhurst
- 2009-03-09: Checked n = 189000 - 400000, David Broadhurst
- 2004-08-15: Found n = 147488, Ingo Buechel, Wilfrid Keller
- 2004-08-12: Found n = 143552, Ingo Buechel, Wilfrid Keller
- 2003-06-20: Found n = 128295, Ingo Buechel, Wilfrid Keller
- 2001-09-28: Found n = 90012, Wilfrid Keller
- 2001-08-12: Found n = 75551, Wilfrid Keller
- 2001-06-30: Found n = 49340, Wilfrid Keller
- 1972-10: Found n = 1 - 222, Hugh C. Williams, C.R.Zarnke
