Riesel primes of the form 13989•2n-1

Current data

k , b : 13989 , 2 Type : 3 Count : 34 Nash : 2328 Max n : 200,000 Date : 2021-11-10

4, 15, 16, 44, 45, 49, 80, 109, 111, 145, 223, 340, 505, 520, 695, 729, 1479, 2135, 2549, 3280, 4868, 6481, 7100, 7329, 10025, 11441, 13673, 34520, 44956, 50393, 97241, 112663, 156223, 172569

History

• 2021-11-10: Checked to n = 200000, Alexander Jones, released
• 2021-10-21: Checked to n = 50000, Alexander Jones
• 2021-10-21: Reserved by Alexander Jones
• 2011-11-23: Checked to n = 20000, Thomas Ritschel
• 2004-10-03: Found n = 172569, David Underbakke