Riesel primes of the form 16719•2n-1

Current data

k-value : 16719 3 Count : 34 Nash : 1934 Max n : 500,000 Date : 2020-12-05

20, 41, 43, 49, 79, 219, 473, 707, 1131, 1227, 1491, 2001, 2441, 2747, 4457, 4681, 8249, 9339, 10767, 12056, 26564, 27608, 29217, 30819, 35371, 35521, 72239, 88531, 90664, 91784, 130831, 154019, 165423, 492179

History

• 2020-12-05: Checked to n = 500000, Karsten Bonath
• 2020-07-31: Checked to n = 50000, Karsten Bonath
• 2011-09-21: Found n = 492179, Göran Schmidt, Twin Prime Search