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Difference between revisions of "Riesel prime 2 397"
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{{Riesel prime | {{Riesel prime | ||
|Rk=397 | |Rk=397 | ||
| + | |RCount=18 | ||
|RNash=854 | |RNash=854 | ||
|RMaxn=2000000 | |RMaxn=2000000 | ||
Revision as of 00:59, 25 July 2020
Current data
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[[Category:Riesel {{{Rb}}}|#.....00397]][[Category:Riesel {{{Rb}}} Low-weight|#.....00397]]
History
- 2013-04-08: Checked to n = 2000000, Ian M. Gunn, released
- 2013-03-06: Reserved by Ian M. Gunn, for 1300000<n<2000000
- 2010-09-07: Checked to n = 1300000, Ian M. Gunn, released
- 2010-07-12: Checked to n = 1200000, Ian M. Gunn
- 2010-05-18: Checked to n = 1100000, Ian M. Gunn
- 2010-03-21: Reserved by Ian M. Gunn, for 1000000<n<1300000
- 2008-12-21: Checked to n = 1000000, Ian M. Gunn, released
- 2008-12-18: Checked to n = 800000, Ian M. Gunn
- 2008-12-14: Found n = 823745, Ian M. Gunn
- 2008-12-09: Checked to n = 700000, Ian M. Gunn
- 2008-12-04: Found n = 926925, Ian M. Gunn
- 2008-12-03: Checked to n = 628000, Ian M. Gunn
- 2008-11-26: Reserved by Ian M. Gunn, for 600000<n<1000000
- 2008-11-10: Checked to n = 600000, NPLB Drive 3, released
- 2008-03-08: Found n = 369573, Chris Chatfield
- 2008-03-06: 307581 confirmed, James P. Burt
- 2008-03-01: Reserved by NPLB Drive 3, for 260000<n<600000
- 2004-11-17: Found n = 307581, Peter O'braian
- 2004-10-21: Found n = 268601, Peter O'braian
- 2003-08-17: Found n = 171945, Peter O'braian
