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Riesel primes of the form 161691•2ⁿ-1

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Current data

`k` , `b` :	161691 , 2
Type :	3
Count :	21
Nash :	2238
Max `n` :	50,000
Date :	2023-01-21

1^[1], 23, 27, 47, 75, 221, 250, 853, 1603, 1851, 1877, 2177, 2331, 2417, 3226, 3737, 6810, 9474, 11433, 15805, 486091

Notes

↑ Twin n=1

History

2023-01-21: Checked to n = 50000, Alexander Jones
2011-09-17: Found n = 486091, Göran Schmidt, Twin Prime Search 480000

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