Riesel primes of the form 193•2n-1

Reserved! This sequence is currently reserved by: Tanel Liiv

Current data

k , b : 193 , {{{Rb}}} Count : Attention! Parameter RCount=18 not given! Nash : 760 Max n : 2,200,000 Date : 2020-03-13 Reserved : Tanel LiivTanel Liiv/Reserved

3, 15, 27, 63, 87, 135, 543, 1383, 1455, 7767, 18543, 22143, 40967, 198719, 405483, 439107, 880287, 1268399

[[Category:Riesel {{{Rb}}}|#.....00193]][[Category:Riesel {{{Rb}}} Low-weight|#.....00193]]

History

• 2020-03-13: Reserved by Tanel Liiv from n=2200000
• 2019-08-18: Checked to n = 2200000, RPS 2nd Megabit Drive
• 2009-11-20: Checked to n = 1000000, Predrag Minovic released
• 2009-06-23: Checked to n = 950000, Predrag Minovic
• 2009-02-13: Checked to n = 920000, Predrag Minovic
• 2008-02-24: Checked to n = 885000, Predrag Minovic