Riesel primes of the form 235•2n-1

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

Current data

k , b : 235 , {{{Rb}}} Count : 26 Nash : 1563 Max n : 5,000,000 Date : 2022-03-04 Reserved : Conjectures 'R UsConjectures 'R Us/Reserved

3, 9, 15, 75, 143, 425, 693, 803, 903, 953, 1079, 1613, 1667, 2937, 7157, 7899, 136767, 178739, 191973, 231927, 312345, 315773, 556077, 1718787, 1824515, 2163273

[[Category:Riesel {{{Rb}}}|#.....00235]]

History

• 2021-04-21: Checked to n = 2200000, RPS 3rd Megabit Drive
• 2021-04-23: Found n = 2163273, Gary Barnes
• 2017-05-14: Checked to n = 2102000, RPS 3rd Megabit Drive
• 2014-07-06: Found n = 1824515, Serge Batalov
• 2014-06-04: Found n = 1718787, Serge Batalov
• 2006-07-05: Found n = 556077, Thomas Ritschel
• 2006-04-08: Found n = 315773, David Metcalfe
• 2006-04-07: Found n = 312345, Alexandre de Pereyra
• 2005-11-19: Found n = 231927, Jun Tajima
• 2004-08-21: Found n = 191973, Ingmar Goudt
• 2004-08-21: Found n = 178739, Ingmar Goudt