Riesel primes of the form 20639•2n-1

Reserved! This sequence is currently part of Multi Reservation 2: RPS Drive 10.

Current data

k , b : 20639 , {{{Rb}}} Count : 5 Nash : 206 Max n : 1,330,000 Date : 2013-10-24 Reserved : Riesel Prime SearchRiesel Prime Search/Reserved

948, 2668, 23084, 80788, 81300

[[Category:Riesel {{{Rb}}}|#.....20639]][[Category:Riesel {{{Rb}}} Low-weight|#.....20639]]

History

• 2014-06-19: Checked to n = 400000, Alexander Jones
• 2011-11-23: Checked to n = 1007, Gary Barnes
• 2009-05-12: Reserved by RPS Drive 10