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Riesel primes of the form 2173•2ⁿ-1

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Current data

`k` , `b` :	2173 , 2
Type :	Low
Count :	18
Nash :	889
Max `n` :	1,025,000
Date :	2015-05-18

3, 7, 15, 19, 103, 163, 175, 319, 555, 559, 603, 619, 883, 9643, 81015, 110227, 159547, 478599

History

2015-05-18: Checked n = 600000 - 700000, Karsten Bonath
2013-08-30: Checked to n = 1025000, RPS Drive 11, released
2012-02-18: Checked to n = 425000, NPLB Drive 12C, released
2012-01-03: Checked to n = 350000, NPLB Drive 12B, released
2011-12-31: Reserved by NPLB Drive 12C, for 350001 ≤ n ≤ 425000
2011-09-03: Reserved by RPS Drive 11, for n ≥ 666666
2010-11-19: Checked to n = 600000, NPLB Drive 11, released
2010-03-26: Reserved by NPLB Drive 12B, for 250001 ≤ n ≤ 350000
2010-01-05: Checked to n = 250000, NPLB Drive 12A, released
2009-12-18: Checked n = 20000 - 50000, Karsten Bonath
2009-09-03: Found n = 478599, Gary Barnes, NPLB Drive 11
2009-08-13: Reserved by NPLB Drive 12A, for 50001 ≤ n ≤ 250000
2009-06-28: Checked n = 10000 - 20000, Thomas Ritschel
2009-06-22: Reserved by NPLB Drive 11, for 425001 ≤ n ≤ 600000

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