Riesel primes of the form 8145•2n-1

Current data

k , b : 8145 , 2 Type : 315 Count : 50 Nash : 3005 Max n : 700,000 Date : 2025-02-11

2, 20, 21, 24, 27, 38, 44, 45, 62, 83, 104, 122, 347, 369, 492, 563, 573, 638, 720, 825, 2243, 3290, 3315, 3434, 4707, 7044, 7280, 8100, 9612, 10608, 12173, 12467, 13581, 30372, 38504, 41972, 53982, 90740, 100424, 120825, 130989, 133395, 146939, 154250, 164328, 334893, 351411, 351854, 448953, 647829

History

• 2025-02-11: Checked n = 20000 - 700000, Gary Barnes, double-check n = 350000 - 433000, released
• 2009-11-03: Found n = 647829, Ian M. Gunn
• 2009-04-18: Found n = 448953, Ian M. Gunn
• 2009-04-10: Checked n = 350000 - 433000, Ian M. Gunn
• 2009-04-10: Found n = 351854, Ian M. Gunn
• 2009-04-10: Found n = 351411, Ian M. Gunn
• 2009-02-19: Reserved by Ian M. Gunn to n = 1000000
• 2009-01-13: Checked n = 10000 - 20000, Karsten Bonath
• 2007-07-06: Checked n = 1 - 10000, Gary Barnes