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Difference between revisions of "Riesel prime 2 5"
(new n-range standards) |
(add Woodall prime) |
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4;C:{{NWo|+|4}} | 4;C:{{NWo|+|4}} | ||
8 | 8 | ||
| − | 10;C:{{NWo|+|9}} | + | 10;C:{{NWo|4|5}}, {{NWo|+|9}} |
12;C:{{NWo|-|11}} | 12;C:{{NWo|-|11}} | ||
14 | 14 | ||
| Line 59: | Line 59: | ||
10495620;132756 | 10495620;132756 | ||
11355764;132782 | 11355764;132782 | ||
| − | |RRemarks=The {{OEIS|l|A001770}} | + | |RRemarks=The {{OEIS|l|A001770}}<br>See also {{NWi|PM|4|n}} |
}} | }} | ||
==History== | ==History== | ||
| Line 85: | Line 85: | ||
{{HistF|2008-01-20|1194164|Adam Sutton,Ed Goforth,RPS Drive K5|123302}} | {{HistF|2008-01-20|1194164|Adam Sutton,Ed Goforth,RPS Drive K5|123302}} | ||
{{HistC|2007-12-27|1150000-1158700|Gary Barnes, RPS Drive K5|121662}} | {{HistC|2007-12-27|1150000-1158700|Gary Barnes, RPS Drive K5|121662}} | ||
| − | {{HistR|2007-10-03|RPS Drive K5|115599}} | + | {{HistR|2007-10-03|RPS Drive K5|115599}} from {{Rn|470000|470000}} |
{{HistC|2004-05-03|1-313900|Phil Carmody|27811}} | {{HistC|2004-05-03|1-313900|Phil Carmody|27811}} | ||
{{HistF|2004-05-01|350028|Phil Carmody|27608}} | {{HistF|2004-05-01|350028|Phil Carmody|27608}} | ||
Latest revision as of 17:14, 25 September 2024
Current data
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Remarks : |
The sequence A001770 in OEIS See also Williams 5•4n-1 |
Notes
History
- 2021-10-09: Checked n = 10000000 - 12000000, Ryan Propper, released
- 2021-10-03: Found n = 11355764, Ryan Propper
- 2021-09-27: Reserved by Ryan Propper for n = 10000000 - 12000000
- 2021-09-27: Checked n = 6000000 - 10000000, Ryan Propper
- 2021-09-27: Found n = 10495620, Ryan Propper
- 2021-09-27: Found n = 10349000, Ryan Propper
- 2021-09-22: Found n = 7755002, Ryan Propper
- 2021-09-22: Found n = 7037188, Ryan Propper
- 2021-09-17: Reserved by Ryan Propper for n = 6000000 - 10000000
- 2021-09-17: Checked n = 470000 - 1967614, 2100000 - 2366468, 2461800 - 3000000, 3060784 - 3499000, 3646020 - 6000000, RPS Drive K5, released
- 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
- 2017-01-13: Found n = 5429494, Dmitry Domanov, RPS Drive K5
- 2013-07-08: Found n = 3264650, Carlos Eduardo Pinho, RPS Drive K5
- 2012-04-11: Found n = 3090860, Michael Curtis, RPS Drive K5
- 2009-01-18: Checked n = 3499088 - 3646740, Peter Benson ( n = 3646020 - 3646740 also done by RPS Drive K5 )
- 2009-01-09: Checked n = 2366468 - 2461800, 2995340 - 3060784, Peter Benson ( n = 2995340 - 3000000 also done by RPS Drive K5 )
- 2009-01-09: Checked n = 950000 - 1091453, 1967614 - 2153808, Peter Benson ( n = 950000 - 1091453 & n = 2100000 - 2153808 also done by RPS Drive K5 )
- 2009-01-05: Found n = 3569154, Peter Benson
- 2008-11-24: Found n = 3059698, Peter Benson
- 2008-11-19: Found n = 2460482, Peter Benson
- 2008-02-01: Checked n = 1240000 - 1252000, Gary Barnes, RPS Drive K5
- 2008-01-20: Found n = 1194164, Adam Sutton, Ed Goforth, RPS Drive K5
- 2007-12-27: Checked n = 1150000 - 1158700, Gary Barnes, RPS Drive K5
- 2007-10-03: Reserved by RPS Drive K5 from n = 470000
- 2004-05-03: Checked n = 1 - 313900, Phil Carmody
- 2004-05-01: Found n = 350028, Phil Carmody
- 2004-05-01: Found n = 245728, Phil Carmody
- 1999-12-25: Found n = 172300, Ingo Buechel, Wilfrid Keller
- 1998-12-18: Found n = 53230, Ingo Buechel, Wilfrid Keller
- 1998-12-18: Found n = 52540, Ingo Buechel, Wilfrid Keller
- 1998-12-18: Found n = 51478, Ingo Buechel, Wilfrid Keller
- 1998-08-31: Found n = 41934, Wilfrid Keller
- 1998-07-28: Found n = 25624, Wilfrid Keller
- 1998-05-29: Found n = 21738, Henri Lifchitz
