| Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3). |
Navigation
| Topics | Help • Register • News • History • How to • Sequences statistics • Template prototypes |
Difference between revisions of "Riesel prime 2 9"
(add Benson's prime search & correct other history) |
(add Woodall prime) |
||
| (3 intermediate revisions by the same user not shown) | |||
| Line 4: | Line 4: | ||
|RCount=48 | |RCount=48 | ||
|RNash=1674 | |RNash=1674 | ||
| − | |RMaxn= | + | |RMaxn=7800000 |
| − | |RDate= | + | |RDate=2024-08-10 |
|RReserved=Dmitry Domanov | |RReserved=Dmitry Domanov | ||
|RNlist= | |RNlist= | ||
1;T:T | 1;T:T | ||
| − | 3;T:T | + | 3;T:T;C:{{NWi|PM|8|1}} |
7;T:T | 7;T:T | ||
13 | 13 | ||
| − | 15 | + | 15;C:{{NWi|PM|8|5}} |
| − | 21 | + | 21;C:{{NWi|PM|8|7}} |
43;T:T | 43;T:T | ||
| − | 63;T:T;C:{{NWo|128|9}} | + | 63;T:T;C:{{NWo|128|9}}, {{NWi|PM|8|21}} |
| − | 99;C:{{NWo|2048|9}} | + | 99;C:{{NWo|2048|9}}, {{NWi|PM|8|33}} |
109;C:{{NWo|64|18}} | 109;C:{{NWo|64|18}} | ||
| − | 159 | + | 159;C:{{NWi|PM|8|53}} |
211;T:T | 211;T:T | ||
| − | 309 | + | 309;C:{{NWi|PM|8|103}} |
343;C:{{NWo|524288|18}} | 343;C:{{NWo|524288|18}} | ||
415 | 415 | ||
| Line 26: | Line 26: | ||
781 | 781 | ||
871 | 871 | ||
| − | 939 | + | 939;C:{{NWo|8192|72}}, {{NWi|PM|8|313}} |
| − | 1551 | + | 1551;C:{{NWi|PM|8|517}} |
3115 | 3115 | ||
3349;56554 | 3349;56554 | ||
| − | 5589;38328 | + | 5589;38328;C:{{NWi|PM|8|1863}} |
5815;38094 | 5815;38094 | ||
5893;37998 | 5893;37998 | ||
7939;32253 | 7939;32253 | ||
| − | 8007;32193 | + | 8007;32193;C:{{NWi|PM|8|2669}} |
| − | 11547;28082 | + | 11547;28082;C:{{NWi|PM|8|3849}} |
| − | 12495;27673 | + | 12495;27673;C:{{NWi|PM|8|4165}} |
22555;21698 | 22555;21698 | ||
23647;20911 | 23647;20911 | ||
35647;17045 | 35647;17045 | ||
| − | 83415;6812 | + | 83415;6812;C:{{NWi|PM|8|27805}} |
| − | 103059;4200 | + | 103059;4200;C:{{NWi|PM|8|34353}} |
184999;633 | 184999;633 | ||
| − | 275859;70461 | + | 275859;70461;C:{{NWi|PM|8|91953}} |
| − | 384243;70698 | + | 384243;70698;C:{{NWi|PM|8|128081}} |
484975;70950 | 484975;70950 | ||
503893;71030 | 503893;71030 | ||
828709;73353 | 828709;73353 | ||
| − | 1010277;83008 | + | 1010277;83008;C:{{NWi|PM|8|336759}} |
| − | 1419855;90980 | + | 1419855;90980;C:{{NWi|PM|8|473285}} |
1481821;84649 | 1481821;84649 | ||
2060941;85462 | 2060941;85462 | ||
3259381;103391 | 3259381;103391 | ||
4005979;110104 | 4005979;110104 | ||
| − | 4683555;110478 | + | 4683555;110478;C:{{NWi|PM|8|1561185}} |
7479919;136126 | 7479919;136126 | ||
| − | |RRemarks=The {{OEIS|l|A002236}} | + | |RRemarks=The {{OEIS|l|A002236}}<br>See also {{NWi|PM|8|n}} |
}} | }} | ||
==History== | ==History== | ||
| + | {{HistC|2024-08-10|7800000|Dmitry Domanov|664817}} | ||
{{HistF|2023-06-04|7479919|Dmitry Domanov|631800}} | {{HistF|2023-06-04|7479919|Dmitry Domanov|631800}} | ||
{{HistC|2021-03-21|1-1000000|Gary Barnes|574248}}, double check, results included | {{HistC|2021-03-21|1-1000000|Gary Barnes|574248}}, double check, results included | ||
Latest revision as of 17:40, 25 September 2024
| Reserved! This sequence is currently reserved by: Dmitry Domanov |
Current data
|
|
Remarks : |
The sequence A002236 in OEIS See also Williams 9•8n-1 |
Notes
- ↑ Twin n=1
- ↑ Twin n=3, Williams 9•81-1
- ↑ Twin n=7
- ↑ Williams 9•85-1
- ↑ Williams 9•87-1
- ↑ Twin n=43
- ↑ Twin n=63, Woodall 9•1289-1, Williams 9•821-1
- ↑ Woodall 9•20489-1, Williams 9•833-1
- ↑ Woodall 18•6418-1
- ↑ Williams 9•853-1
- ↑ Twin n=211
- ↑ Williams 9•8103-1
- ↑ Woodall 18•52428818-1
- ↑ Woodall 72•819272-1, Williams 9•8313-1
- ↑ Williams 9•8517-1
- ↑ Williams 9•81863-1
- ↑ Williams 9•82669-1
- ↑ Williams 9•83849-1
- ↑ Williams 9•84165-1
- ↑ Williams 9•827805-1
- ↑ Williams 9•834353-1
- ↑ Williams 9•891953-1
- ↑ Williams 9•8128081-1
- ↑ Williams 9•8336759-1
- ↑ Williams 9•8473285-1
- ↑ Williams 9•81561185-1
History
- 2024-08-10: Checked to n = 7800000, Dmitry Domanov
- 2023-06-04: Found n = 7479919, Dmitry Domanov
- 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
- 2020-10-29: Checked to n = 6500000, Dmitry Domanov
- 2020-08-23: Checked to n = 6350000, Dmitry Domanov
- 2020-03-11: Checked to n = 6000000, Dmitry Domanov
- 2015-11-03: Checked to n = 6000000, Dmitry Domanov
- 2015-05-06: Checked to n = 5700000, Dmitry Domanov
- 2014-12-24: Checked to n = 5220000, Dmitry Domanov
- 2014-09-29: Reserved by Dmitry Domanov for n=5000000-6000000
- 2013-01-07: Checked to n = 5000000, Peter Benson
- 2012-12-24: Found n = 4683555, Peter Benson
- 2012-11-17: Found n = 4005979, Peter Benson
- 2012-11-17: Reserved by Peter Benson from n=4000000
- 2012-03-17: Checked to n = 4000000, Peter Benson
- 2011-11-27: Found n = 3259381, Peter Benson
- 2011-11-01: Reserved by Peter Benson from n=3000000
- 2011-06-02: Checked to n = 3000000, Peter Benson
- 2011-04-05: Reserved by Peter Benson
- 2010-12-23: Checked n = 2105192? - 2106000, Predrag Minovic
- 2010-12-23: Checked n = 1840000 - 1968000, Larry Soule
- 2010-10-31: Checked to n = 1840000, Predrag Minovic
- 2010-09-05: Checked to n = 1814000, Predrag Minovic
- 2010-07-18: Checked to n = 1610000, Predrag Minovic
- 2010-06-05: Checked to n = 1570000, Predrag Minovic
- 2010-04-11: Checked to n = 1540000, Predrag Minovic
- 2010-02-11: Checked to n = 1530000, Predrag Minovic
- 2009-12-05: Checked to n = 1520000, Predrag Minovic
- 2009-11-24: Found n = 1419855, Predrag Minovic
- 2009-11-20: Checked to n = 1415000, Predrag Minovic
- 2009-11-03: Checked n = 1350000 - 1375000, 1400000 - 1414000, Adam Sutton
- 2009-11-03: Checked n = 1221088? - 1350000, 1375000 - 1400000, Predrag Minovic
- 2009-01-18: Checked n = 3499107 - 3563355, Peter Benson
- 2009-01-10: Checked n = 1330000? - 1430000?, Adam Sutton
- 2009-01-09: Checked n = 1430023 - 1454791, 1455171 - 1518147, 1652067 - 1810159, 1967643 - 2105191, 2366487 - 2406243, Peter Benson
- 2009-01-09: Checked n = 950000 - 1067108, 1140015 - 1221087, Peter Benson
- 2008-08-27: Found n = 2060941, Peter Benson
- 2008-04-12: Found n = 1481821, Peter Benson
- 2008-02-29: Checked n = 850000 - 1200000, Adam Sutton
- 2008-02-01: Reserved by Adam Sutton for n>1000000
- 2007-11-15: Found n = 1010277, Peter Benson
- 2007-04-07: Checked to n = 850000, Jeffrey Sax
- 2005-02-03: Found n = 828709, Jeffrey Sax
- 2005-01-16: Checked to n = 801000, Jeffrey Sax
- 2004-11-28: Checked to n = 744000, Jeffrey Sax
- 2004-07-24: Found n = 503893, Jeffrey Sax
- 2004-07-14: Found n = 484975, Jeffrey Sax
- 2004-06-13: Found n = 384243, Jeffrey Sax
- 2004-05-23: Found n = 275859, Jeffrey Sax
- 2000-04-03: Found n = 184999, Ingo Buechel, Wilfrid Keller
- 1999-02-14: Found n = 103059, Ingo Buechel, Wilfrid Keller
- 1999-01-15: Found n = 83415, Ingo Buechel, Wilfrid Keller
- 1998-06-16: Found n = 23647, Wilfrid Keller
- 1998-06-16: Found n = 22555, Wilfrid Keller
- 1989: Found n = 35647, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown
- 1981: Found n = 12495, Anders Björn, Hans Riesel
- 1980: Found n = 8007, Jurgen Buhl, Walter Borho
- 1980: Found n = 7939, Jurgen Buhl, Walter Borho
- 1980: Found n = 5893, Jurgen Buhl, Walter Borho
- 1980: Found n = 5815, Jurgen Buhl, Walter Borho
- 1980: Found n = 5589, Jurgen Buhl, Walter Borho
- 1980: Found n = 3349, Jurgen Buhl, Walter Borho
- 1979: Found n = 11547, Jurgen Buhl, Walter Borho
