Riesel primes of the form 155•2n-1

Reserved! This sequence is currently part of Multi Reservation 5: CRUS Liskovets-Gallot.

Current data

k , b : 155 , 2 Count : 32 Nash : 1317 Max n : 5,000,000 Date : 2023-07-11 Reserved : Conjectures 'R UsConjectures 'R Us/Reserved

2, 8, 14, 16, 44, 46, 82, 172, 196, 254, 556, 806, 2828, 4462, 5558, 8086, 8216, 9862, 12026, 12842, 26054, 57044, 85364, 105098, 127262, 296822, 310312, 310622, 353384, 374288, 496604, 1207424

History

• 2019-08-18: Checked to n = 2200000, RPS 2nd Megabit Drive
• 2011-07-12: Found n = 1207424, David Metcalfe, RPS 2nd Megabit Drive
• 2011-04-28: Reserved by RPS 2nd Megabit Drive for n > 1000000
• 2009-07-30: Reserved by Borys Jaworski from n=1000000
• 2006-03-06: Found n = 496604, Thomas Ritschel
• 2006-03-06: Found n = 374288, Thomas Ritschel
• 2006-03-06: Found n = 353384, Thomas Ritschel
• 2006-03-04: Found n = 310622, Thomas Ritschel
• 2006-03-04: Found n = 310312, Thomas Ritschel
• 2006-03-15: Found n = 296822, Thomas Ritschel