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Difference between revisions of "Riesel prime 2 255"
(more hist) |
(add Williams prime remark & links to primes) |
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{{Riesel prime | {{Riesel prime | ||
|Rk=255 | |Rk=255 | ||
| + | |Rb=2 | ||
| + | |RCount=74 | ||
|RNash=3297 | |RNash=3297 | ||
| − | |RMaxn= | + | |RMaxn= |
| − | |RDate= | + | |RDate= |
| − | |RReserved= | + | |RReserved= |
| + | |RMultiRes=7 | ||
|RNlist= | |RNlist= | ||
1;T:S | 1;T:S | ||
| Line 13: | Line 16: | ||
11;T:S | 11;T:S | ||
12 | 12 | ||
| − | 24 | + | 24;C:{{NWi|MM|256|3}} |
| − | 40;T:S | + | 40;T:S;C:{{NWi|MM|256|5}} |
41;T:T | 41;T:T | ||
61 | 61 | ||
| Line 27: | Line 30: | ||
338 | 338 | ||
390 | 390 | ||
| − | 488 | + | 488;C:{{NWi|MM|256|61}} |
673 | 673 | ||
804 | 804 | ||
| Line 68: | Line 71: | ||
281366;72706 | 281366;72706 | ||
405467;74921 | 405467;74921 | ||
| − | 450144;75489 | + | 450144;75489;C:{{NWi|MM|256|56268}} |
450762;75499 | 450762;75499 | ||
481837;76308 | 481837;76308 | ||
577903;79103 | 577903;79103 | ||
| − | 592080;79214 | + | 592080;79214;C:{{NWi|MM|256|74010}} |
601910;79343 | 601910;79343 | ||
635715;80715 | 635715;80715 | ||
| Line 79: | Line 82: | ||
1422283;108854 | 1422283;108854 | ||
1763221;119812 | 1763221;119812 | ||
| − | |RRemarks= | + | 2010691;138000 |
| + | |RRemarks=[https://mersenneforum.org/showthread.php?t=16883 Thread] at [[MersenneForum]]<br>See also {{NWi|MM|256|n}} | ||
}} | }} | ||
==History== | ==History== | ||
| + | {{HistF|2024-04-23|2010691|Gary Barnes, NPLB K300 Drive 1|655657}} | ||
| + | {{HistR|2024-04-23|NPLB K300 Drive 1|655608}} for {{Vn}} > 2000000 | ||
| + | {{HistC|2021-03-21|1-1000000|Gary Barnes|574248}}, double check, results included | ||
| + | {{HistC|2015-06-07|1800000-2000000|Thomas Ritschel|403626}} | ||
| + | {{HistC|2015-04-29|1730000-1800000|Thomas Ritschel|401217}} | ||
{{HistF|2015-04-26|1763221|Thomas Ritschel|400959}} | {{HistF|2015-04-26|1763221|Thomas Ritschel|400959}} | ||
| + | {{HistC|2013-05-12|1700000-1730000|Predrag Minovic|340185}} | ||
| + | {{HistC|2012-12-10|1600000-1650000|Predrag Minovic|321168}} | ||
| + | {{HistC|2012-10-10|1650000-1700000|Thomas Ritschel|314165}} | ||
| + | {{HistC|2012-09-20|1450000-1600000|Peter Benson|312231}} | ||
| + | {{HistC|2012-09-09|1370000-1450000|Predrag Minovic|310870}} | ||
| + | {{HistC|2012-09-06|1300000-1370000|Michael Curtis|310481}} | ||
{{HistF|2012-08-17|1422283|Predrag Minovic|308245}} | {{HistF|2012-08-17|1422283|Predrag Minovic|308245}} | ||
| + | {{HistC|2012-07-18|1100000-1300000|Peter Benson|305105}} | ||
| + | {{HistC|2012-07-16|1000000-1100000|Predrag Minovic|304864}} | ||
{{HistC|2012-07-02|1070000|Predrag Minovic|303855}} | {{HistC|2012-07-02|1070000|Predrag Minovic|303855}} | ||
{{HistF|2012-06-15|1037444|Predrag Minovic|302400}} | {{HistF|2012-06-15|1037444|Predrag Minovic|302400}} | ||
| − | {{HistC|2010-01-31|1000000| | + | {{HistC|2010-01-31|1000000|James S. Griffin|203975}} |
{{HistF|2008-05-03|962590|James S. Griffin}} | {{HistF|2008-05-03|962590|James S. Griffin}} | ||
| − | {{HistC|2007-11-10|820000| | + | {{HistC|2007-11-10|820000|James S. Griffin|118145}} |
{{HistF|2007-05-26|635715|James S. Griffin}} | {{HistF|2007-05-26|635715|James S. Griffin}} | ||
{{HistF|2007-02-05|601910|James S. Griffin}} | {{HistF|2007-02-05|601910|James S. Griffin}} | ||
| Line 97: | Line 114: | ||
{{HistF|2005-09-01|450144|James S. Griffin}} | {{HistF|2005-09-01|450144|James S. Griffin}} | ||
{{HistF|2005-06-28|405467|James S. Griffin}} | {{HistF|2005-06-28|405467|James S. Griffin}} | ||
| − | {{HistF|2004-12-11|281366|Jeffrey Sax}} | + | {{HistC|2004-12-27|260000-320000|Jeffrey Sax|47173}} |
| + | {{HistF|2004-12-11|281366|Jeffrey Sax|47173}} | ||
{{HistF|2004-05-10|206716|James S. Griffin}} | {{HistF|2004-05-10|206716|James S. Griffin}} | ||
{{HistF|2003-11-12|259537|James S. Griffin}} | {{HistF|2003-11-12|259537|James S. Griffin}} | ||
Latest revision as of 20:16, 13 September 2024
| Reserved! This sequence is currently part of Multi Reservation 7: NPLB K300 Drive 1. |
Current data
|
|
Remarks : |
Thread at MersenneForum See also Williams 255•256n-1 |
Notes
History
- 2024-04-23: Found n = 2010691, Gary Barnes, NPLB K300 Drive 1
- 2024-04-23: Reserved by NPLB K300 Drive 1 for n > 2000000
- 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
- 2015-06-07: Checked n = 1800000 - 2000000, Thomas Ritschel
- 2015-04-29: Checked n = 1730000 - 1800000, Thomas Ritschel
- 2015-04-26: Found n = 1763221, Thomas Ritschel
- 2013-05-12: Checked n = 1700000 - 1730000, Predrag Minovic
- 2012-12-10: Checked n = 1600000 - 1650000, Predrag Minovic
- 2012-10-10: Checked n = 1650000 - 1700000, Thomas Ritschel
- 2012-09-20: Checked n = 1450000 - 1600000, Peter Benson
- 2012-09-09: Checked n = 1370000 - 1450000, Predrag Minovic
- 2012-09-06: Checked n = 1300000 - 1370000, Michael Curtis
- 2012-08-17: Found n = 1422283, Predrag Minovic
- 2012-07-18: Checked n = 1100000 - 1300000, Peter Benson
- 2012-07-16: Checked n = 1000000 - 1100000, Predrag Minovic
- 2012-07-02: Checked to n = 1070000, Predrag Minovic
- 2012-06-15: Found n = 1037444, Predrag Minovic
- 2010-01-31: Checked to n = 1000000, James S. Griffin
- 2008-05-03: Found n = 962590, James S. Griffin
- 2007-11-10: Checked to n = 820000, James S. Griffin
- 2007-05-26: Found n = 635715, James S. Griffin
- 2007-02-05: Found n = 601910, James S. Griffin
- 2007-01-18: Found n = 592080, James S. Griffin
- 2006-12-30: Found n = 577903, James S. Griffin
- 2005-11-28: Found n = 481837, James S. Griffin
- 2005-09-02: Found n = 450762, James S. Griffin
- 2005-09-01: Found n = 450144, James S. Griffin
- 2005-06-28: Found n = 405467, James S. Griffin
- 2004-12-27: Checked n = 260000 - 320000, Jeffrey Sax
- 2004-12-11: Found n = 281366, Jeffrey Sax
- 2004-05-10: Found n = 206716, James S. Griffin
- 2003-11-12: Found n = 259537, James S. Griffin
- 2003-08-25: Found n = 154397, James S. Griffin
- 2003-08-18: Found n = 230830, James S. Griffin
- 2003-08-18: Found n = 138101, James S. Griffin
- 2003-07-29: Found n = 120342, Steven Harvey
- 2003-07-29: Found n = 118030, Steven Harvey
- 1989: Found n = 58476, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown
