Riesel primes of the form 156681•2n-1

Current data

k , b : 156681 , 2 Type : 3 Count : 39 Nash : 2744 Max n : 50,000 Date : 2023-01-21

2, 18, 38, 42, 50, 53, 85, 95, 170, 190, 230, 238, 278, 298, 874, 990, 1186, 1274, 1590, 1823, 2045, 2493, 2994, 3170, 3178, 4334, 4722, 5678, 7109, 7890, 8303, 11698, 21886, 26586, 30626, 32838, 38474, 49162, 499015

History

• 2023-01-21: Checked to n = 50000, Alexander Jones
• 2011-10-31: Found n = 499015, (Lanehart), Twin Prime Search