Riesel primes of the form 13291•2n-1

Current data

k , b : 13291 , 2 Count : 37 Nash : 2134 Max n : 400,000 Date : 2021-11-29

11, 25, 35, 43, 45, 53, 61, 77, 107, 153, 179, 251, 301, 313, 453, 647, 997, 1373, 2537, 3121, 4913, 5315, 10903, 12499, 12973, 14173, 14333, 20433, 21845, 24403, 25397, 36851, 75217, 78323, 120393, 170963, 393217

History

• 2021-11-29: Checked to n = 400000, Alexander Jones, released
• 2021-11-16: Checked to n = 150000, Alexander Jones
• 2021-11-13: Checked to n = 100000, Alexander Jones
• 2021-10-30: Reserved by Alexander Jones
• 2021-09-24: Checked to n = 50000, Alexander Jones
• 2011-11-23: Checked to n = 20000, Thomas Ritschel
• 2005-02-12: Found n = 393217, Jeffrey Sax