Riesel primes of the form 257•2n-1

Reserved! This sequence is currently part of Multi Reservation 6: CRUS Liskovets-Gallot.

Current data

k , b : 257 , {{{Rb}}} Count : 37 Nash : 1867 Max n : 5,000,000 Date : 2022-03-04 Reserved : Conjectures 'R UsConjectures 'R Us/Reserved

4, 6, 10, 16, 24, 60, 66, 82, 184, 256, 324, 424, 632, 756, 814, 872, 1114, 1702, 3282, 3420, 3862, 3864, 4162, 4510, 7030, 8410, 47974, 59236, 61084, 78034, 133980, 194312, 286832, 541402, 1064062, 1658254, 2108554

[[Category:Riesel {{{Rb}}}|#.....00257]]

History

• 2021-04-21: Checked to n = 2200000, RPS 3rd Megabit Drive
• 2021-04-12: Found n = 2108554, Gary Barnes
• 2017-05-14: Checked to n = 2102000, RPS 3rd Megabit Drive
• 2014-06-03: Found n = 1658254, Serge Batalov
• 2008-12-17: Found n = 1064062, Even Stokkedalen
• 2006-10-17: Found n = 541402, Predrag Minovic
• 2006-07-13: Found n = 286832, Tony Galvan
• 2004-02-03: Found n = 194312, Marcin Lipinski
• 2003-09-30: Found n = 133980, Marcin Lipinski
• 1998-12-11: Found n = 47974, Carlos B. Rivera F.