Riesel primes of the form 8805•2n-1

Current data

k , b : 8805 , 2 Type : 315 Count : 50 Nash : 2946 Max n : 700,000 Date : 2025-05-28

1, 3, 7, 8, 13, 21, 23, 29, 109, 179, 383, 683, 794, 1273, 1374, 1771, 2001, 2569, 2678, 3253, 6271, 9757, 10771, 11439, 11539, 18011, 21024, 23078, 34194, 34313, 48911, 50071, 56079, 56928, 57143, 58808, 78703, 92008, 114608, 116057, 152738, 155191, 195859, 206123, 250681, 371449, 433928, 503967, 509234, 663301

History

• 2025-05-28: Checked n = 100000 - 700000, Carlos Eduardo Pinho, released
• 2025-05-28: Checked n = 10000 - 100000, Gary Barnes, released
• 2010-06-11: Found n = 663301, Ian M. Gunn
• 2009-12-15: Found n = 509234, Ian M. Gunn
• 2009-12-07: Found n = 503967, Ian M. Gunn
• 2009-03-27: Reserved by Ian M. Gunn for n = 400000 - 1000000
• 2007-07-06: Checked n = 1 - 10000, Gary Barnes