Riesel primes of the form 27391•2n-1

Current data

k , b : 27391 , 2 Count : 35 Nash : 2059 Max n : 50,000 Date : 2020-08-30

7, 9, 11, 15, 55, 63, 69, 303, 369, 541, 559, 591, 613, 621, 771, 1453, 1763, 1833, 2085, 2281, 2411, 5059, 6325, 7515, 8907, 10015, 10671, 12255, 16397, 16553, 18907, 29161, 38429, 41407, 357175

History

• 2020-08-30: Checked to n = 50000, Alexander Jones
• 2011-11-23: Checked to n = 1007, Gary Barnes
• 2008-06-26: Found n = 357175, Chris Chatfield