Riesel primes of the form 31•2n-1

Reserved! This sequence is currently reserved by: Steven Tjung

Current data

k , b : 31 , {{{Rb}}} Count : Attention! Parameter RCount=49 not given! Nash : 2188 Max n : 2,282,000 Date : 2016-01-27 Reserved : Steven TjungSteven Tjung/Reserved

1, 5, 7, 11, 13, 23, 33, 35, 37, 47, 115, 205, 235, 271, 409, 739, 837, 887, 2189, 3465, 4653, 5073, 8011, 8061, 21957, 24589, 25657, 44653, 50321, 57647, 62083, 78179, 80021, 81655, 111667, 150265, 177089, 196433, 274115, 306751, 311389, 315523, 406105, 421129, 666285, 773227, 1142093, 1611311, 1755317

[[Category:Riesel {{{Rb}}}|#.....00031]]

History

• 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
• 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
• 2008-11-21: Checked to n = 1300000, Steven Tjung
• 2008-01-31: Checked to n = 735000, Steven Tjung
• 2008-01-02: Checked to n = 707000, Steven Tjung
• 2007-12-08: Checked to n = 685000, 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