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Riesel primes of the form 31•2n-1
Revision as of 10:09, 15 July 2021 by Karbon (talk | contribs) (Karbon moved page Riesel prime 31 to Riesel prime 2 31 without leaving a redirect: renamed)
Reserved! This sequence is currently reserved by: Michael Curtis |
Current data
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[[Category:Riesel {{{Rb}}}|#.....00031]][[Category:Riesel {{{Rb}}} Missing-range|#.....00031]]
History
- 2021-02-13: Reserved by Michael Curtis
- 2016-01-27: Checked to n = 2282000, Steven Tjung
- 2014-01-13: Checked to n = 2100000, Steven Tjung
- 2014-09-13: Checked to n = 2066000, Steven Tjung
- 2013-08-22: none, Steven Tjung
- 2012-08-19: Checked to n = 2020000, Steven Tjung
- 2011-01-28: Found n = 1755317, Steven Tjung
- 2010-02-24: Found n = 1611311, Steven Tjung
- 2009-12-05: Checked to n = 1600000, Steven Tjung
- 2009-10-06: Checked to n = 1570000, Steven Tjung
- 2009-05-15: Checked to n = 1510000, Steven Tjung
- 2009-04-06: Checked to n = 1370000, Steven Tjung
- 2009-02-12: Checked to n = 1350000, Steven Tjung
- 2008-12-09: Found n = 421129, Raffaele De Troia
- 2008-12-02: Found n = 406105, Raffaele De Troia
- 2008-11-21: Checked to n = 1300000, Steven Tjung
- 2008-04-02: Found n = 1142093, Peter Benson
- 2008-01-31: Checked to n = 735000, Steven Tjung
- 2008-01-02: Checked to n = 707000, Steven Tjung
- 2007-12-30: Found n = 666285, Steven Tjung
- 2007-12-08: Checked to n = 685000, Steven Tjung
- 2007-12-07: Found n = 773227, Steven Tjung
- 2007-11-01: Checked to n = 645000, Steven Tjung
- 2007-07-13: Checked to n = 570000, Steven Tjung
- 2007-07-13: Checked to n = 567000, Steven Tjung
- 2004-04-28: Found n = 315523, Steven Harvey
- 2004-04-27: Found n = 311389, Steven Harvey
- 2004-04-26: Found n = 306751, Steven Harvey
- 2004-04-19: Found n = 274115, Steven Harvey
- 2004-04-05: Found n = 196433, Steven Harvey
- 2004-04-04: Found n = 177089, Steven Harvey
- 2003-03-20: Found n = 111667, Steven Harvey
- 2000-06-03: Found n = 62083, Phil Carmody
- 2000-05-31: Found n = 57647, Phil Carmody
- 2000-05-22: Found n = 44653, Phil Carmody
- 1998-08-13: Found n = 25657, Wilfrid Keller
- 1998-08-13: Found n = 24589, Wilfrid Keller
- 1998-08-09: Found n = 21957, Wilfrid Keller