Riesel primes of the form 61•2n-1

Reserved! This sequence is currently part of Multi Reservation 4: RPS Megabit Drive 1.

Current data

k , b : 61 , {{{Rb}}} Count : Attention! Parameter RCount=55 not given! Nash : 2170 Max n : 3,100,000 Date : 2020-11-12 Reserved : Riesel Prime SearchRiesel Prime Search/Reserved

3, 5, 9, 13, 17, 19, 25, 39, 63, 67, 75, 119, 147, 225, 419, 715, 895, 1025, 1103, 1179, 1345, 1829, 3855, 4159, 4493, 6039, 7799, 9073, 10543, 12883, 23807, 23957, 36163, 44047, 51975, 65573, 79393, 79949, 81987, 86349, 384287, 499175, 762417, 971585, 1124049, 1416365, 1487125, 1654383, 1734983, 2134577, 2381887, 2580689, 2936967, 3286535, 3366033

[[Category:Riesel {{{Rb}}}|#.....00061]]

History

• 2018-04-11: Checked to n = 3000000, RPS 1st Megabit Drive
• 2009-07-30: Reserved by Borys Jaworski from n=1700000
• 2008-07-07: Checked to n = 1000000, Gary Barnes released
• 2008-02-01: Checked to n = 705000, Gary Barnes
• 2008-01-10: Checked to n = 600000, Gary Barnes
• 2008-01-03: Checked n = 400000 - 500000, Gary Barnes
• 2007-12-30: Checked to n = 800000, Jeffrey Sax
• 2007-12-10: Found n = 499175, Jeffrey Sax