Riesel primes of the form 717•2n-1

Reserved! This sequence is currently part of Multi Reservation 3: NPLB Drive 18.

Current data

k , b : 717 , {{{Rb}}} Count : 72 Nash : 3028 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

1, 4, 5, 6, 10, 12, 21, 32, 34, 57, 66, 70, 80, 106, 125, 134, 200, 201, 237, 286, 316, 377, 396, 520, 832, 905, 1224, 1272, 1882, 2357, 2750, 3105, 3582, 3641, 4220, 4721, 4796, 5017, 6676, 7840, 8025, 9640, 10485, 11921, 19177, 19537, 20332, 21321, 23520, 26186, 27882, 30554, 31330, 33885, 49957, 50677, 59010, 84176, 105354, 172997, 194725, 214452, 215614, 233266, 285804, 286105, 546174, 645897, 682046, 789892, 892354, 1567550

[[Category:Riesel {{{Rb}}}|#.....00717]]

History

• 2020-11-24: Found n = 1567550, Gary Barnes, originally found by Max Dettweiler
• 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
• 2011-02-08: Checked to n = 1000000, NPLB Drive 6, released
• 2011-01-03: Found n = 892354, Gary Barnes
• 2010-11-11: Found n = 789892, Vaughan Davies
• 2009-05-21: Found n = 682046, David James
• 2009-05-03: Found n = 645897, Vaughan Davies
• 2008-12-22: Checked to n = 600000, NPLB Drive 1, released
• 2008-12-19: Reserved by NPLB Drive 6, for 600000<n<=1000000
• 2008-11-13: Found n = 546174, Gary Barnes
• 2008-03-25: Checked to n = 333200, NPLB Drive 2, released
• 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
• 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
• 2007-03-30: Found n = 286105, Karsten Bonath
• 2007-03-30: Found n = 285804, Karsten Bonath
• 2002-01-25: Found n = 233266, James S. Griffin
• 2002-01-27: Found n = 215614, James S. Griffin
• 2002-01-25: Found n = 214452, James S. Griffin
• 2001-12-31: Found n = 194725, James S. Griffin
• 2001-12-31: Found n = 172997, James S. Griffin
• 2001-12-31: Found n = 105354, James S. Griffin
• 2001-12-31: Found n = 84176, James S. Griffin