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Riesel primes of the form 247•2ⁿ-1

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Current data

`k` , `b` :	247 , 2
Type :	Low
Count :	7
Nash :	363
Max `n` :	2,000,000
Date :	2011-05-07

133, 277, 805, 2341, 68845, 952069, 1529485

History

2011-05-07: Checked to n = 2000000, James P. Burt
2011-05-03: Found n = 1529485, James P. Burt
2011-04-27: Reserved by James P. Burt
2006-02-07: Found n = 952069, Larry Soule
1999-12-13: Found n = 68845, Dale Andrews

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