Riesel primes of the form 31521•2n-1

Current data

k , b : 31521 , 2 Type : 3 Count : 57 Nash : 3791 Max n : 50,000 Date : 2021-08-16

9, 10, 14, 23, 42, 50, 58, 66, 73, 74, 75, 95, 103, 105, 117, 130, 137, 150, 185, 197, 199, 226, 245, 302, 330, 339, 455, 569, 577, 645, 777, 785, 966, 1137, 1158, 1730, 1854, 1998, 3433, 3875, 4749, 5955, 6318, 6522, 6622, 6625, 9470, 13118, 14903, 20602, 23798, 29275, 32855, 39139, 45325, 46049, 1778899

History

• 2021-08-16: Checked to n = 50000, Alexander Jones
• 2015-11-18: Found n = 1778899, Predrag Kurtovic
• 2011-11-23: Checked to n = 1007, Gary Barnes