Riesel primes of the form 1001•2n-1

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

Current data

k , b : 1001 , {{{Rb}}} Count : 40 Nash : 1525 Max n : 2,200,000 Date : 2024-07-30 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

2, 6, 14, 54, 58, 70, 126, 138, 154, 182, 186, 326, 390, 418, 482, 506, 754, 818, 846, 858, 1094, 1870, 3234, 5326, 9998, 10442, 20782, 38206, 39258, 39666, 40434, 59042, 123990, 180130, 206082, 885618, 901926, 1381338, 2101062, 2289438

[[Category:Riesel {{{Rb}}}|#.....01001]][[Category:Riesel {{{Rb}}} Missing-range‎|#.....01001]]

History

• 2020-06-03: Found n = 2289438, Andy Hedges
• 2020-05-27: Found n = 2101062, Andy Hedges
• 2014-11-30: 1381338 confirmed, Lennart Vogel
• 2013-06-04: Found n = 1381338, Peter Benson
• 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
• 2011-07-11: Checked to n = 1000000, NPLB Drive 7, released
• 2011-04-11: 901926 confirmed, Pietari Snow
• 2011-04-09: 885618 confirmed, Lennart Vogel
• 2010-09-10: Found n = 901926, Peter Benson
• 2010-08-29: Found n = 885618, Peter Benson
• 2008-12-22: Checked to n = 600000, NPLB Drive 1, released
• 2008-12-19: Reserved by NPLB Drive 7, for 600000<n<=1000000
• 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
• 2003-07-04: Found n = 206082, James S. Griffin
• 2003-07-12: Found n = 180130, James S. Griffin
• 2003-04-25: Found n = 123990, Andrew J. Rupinski