Riesel primes of the form 181209•2n-1

Current data

k , b : 181209 , 2 Type : 3 Count : 48 Nash : 3693 Max n : 50,000 Date : 2023-01-21

3, 9, 16, 25, 29, 32, 48, 49, 67, 96, 105, 123, 156, 195, 213, 267, 337, 389, 404, 435, 447, 495, 516, 547, 555, 872, 1045, 1052, 1173, 2948, 3075, 3260, 4140, 4443, 5364, 6015, 7503, 7504, 10525, 21103, 21569, 21972, 22168, 24219, 24385, 37685, 48609, 498555

History

• 2023-01-21: Checked to n = 50000, Alexander Jones
• 2014-04-07: Found n = 498555, Göran Schmidt, Twin Prime Search 480000