Riesel primes of the form 139227•2n-1

Current data

k , b : 139227 , 2 Type : 3 Count : 26 Nash : 1615 Max n : 50,000 Date : 2023-01-21

6, 17, 20, 84, 105, 126, 150, 156, 270, 341, 372, 900, 3024, 3185, 4484, 4569, 4758, 5525, 6942, 10704, 11556, 13944, 21585, 22512, 30944, 496224

History

• 2023-01-21: Checked to n = 50000, Alexander Jones
• 2014-03-23: Found n = 496224, Göran Schmidt, Twin Prime Search 480000