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Riesel primes of the form 31511•2ⁿ-1

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Current data

`k` , `b` :	31511 , 2
Type :	Low
Count :	2
Nash :	132
Max `n` :	1,000,000
Date :	2007-02-02

278, 6398

History

2007-02-02: Checked to n = 1000000, Karsten Bonath
2007-01-31: Checked to n = 982000, Karsten Bonath
2006-11-29: Checked to n = 798000, Karsten Bonath
2006-09-21: Checked to n = 745000, Karsten Bonath
2006-07-12: Checked to n = 466000, Karsten Bonath
2006-05-10: Checked to n = 335000, Karsten Bonath
2004: Checked to n = 30000, Jocelyn Larouche

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