Riesel primes of the form 203•2n-1

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

Current data

k , b : 203 , {{{Rb}}} Count : 26 Nash : 1687 Max n : 5,000,000 Date : 2022-03-04 Reserved : Conjectures 'R UsConjectures 'R Us/Reserved

2, 22, 82, 142, 190, 232, 314, 1682, 2302, 5598, 6632, 6720, 11080, 22094, 31310, 53088, 105890, 115350, 235480, 248862, 313474, 455190, 480918, 676032, 809848, 859602

[[Category:Riesel {{{Rb}}}|#.....00203]]

History

• 2021-04-21: Checked to n = 2200000, RPS 3rd Megabit Drive
• 2017-05-14: Checked to n = 2102000, RPS 3rd Megabit Drive
• 2008-10-20: Found n = 859602, David Metcalfe
• 2008-09-19: Found n = 809848, Even Stokkedalen
• 2008-07-16: Found n = 676032, Carlos Eduardo Pinho
• 2006-09-08: Found n = 480918, Thomas Ritschel
• 2006-08-31: Found n = 455190, Predrag Minovic
• 2006-08-07: Found n = 313474, Thomas Ritschel
• 2004-08-09: Found n = 248862, Mark Anderson
• 2004-08-05: Found n = 235480, Mark Anderson