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Riesel primes of the form 28191•2ⁿ-1

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Current data

`k` , `b` :	28191 , 2
Type :	3
Count :	24
Nash :	1793
Max `n` :	50,000
Date :	2024-06-23

3^[1], 9, 15^[2], 19, 115, 126, 171, 273, 363, 426, 559, 1015, 1078, 1638, 1746, 3079, 9751, 10195, 11026, 12403, 13089, 24415, 26745, 33417

Notes

↑ Twin n=3
↑ Twin n=15

History

2024-06-23: Checked to n = 50000, Alexander Jones
1999-08-18: Found n = 33417, Stephen Scott

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