Riesel primes of the form 5571•2n-1

Current data

k , b : 5571 , 2 Type : 3 Count : 57 Nash : 3474 Max n : 500,000 Date : 2021-11-10

2, 9, 15, 18, 19, 29, 30, 31, 53, 57, 69, 101, 198, 234, 298, 341, 342, 622, 679, 729, 789, 958, 1005, 1119, 1182, 1214, 1287, 1475, 2171, 2251, 2885, 3679, 4019, 5978, 10827, 11837, 17241, 20985, 21735, 25619, 25691, 47418, 49545, 51315, 52935, 61637, 75779, 90357, 91785, 137882, 151769, 234461, 370337, 452159, 485734, 495029, 498077

History

• 2021-11-10: Checked to n = 500000, Alexander Jones, released
• 2021-10-11: Reserved by Alexander Jones
• 2021-04-16: Checked to n = 150000, Alexander Jones
• 2021-04-11: Checked to n = 100000, Alexander Jones
• 2020-09-03: Checked to n = 50000, Karsten Bonath
• 2011-12-16: Found n = 498077, (Oddball), Twin Prime Search 480000