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Riesel primes of the form 277•2ⁿ-1

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Current data

`k` , `b` :	277 , 2
Type :	Low
Count :	20
Nash :	865
Max `n` :	2,000,000
Date :	2013-03-10

5, 21, 101, 105, 333, 461, 933, 1041, 2157, 3321, 5177, 5513, 5781, 9737, 11505, 16457, 17357, 490805, 937325, 1583097

History

2013-03-10: Checked to n = 2000000, Thomas Ritschel, released
2013-02-09: Found n = 1583097, Thomas Ritschel
2013-02-01: Reserved by Thomas Ritschel from n=1300000
2012-05-14: Checked to n = 1300000, James P. Burt, released
2011-12-31: Checked to n = 1100000, James P. Burt
2011-12-10: Reserved by James P. Burt from n=1000000
2009-11-20: Checked to n = 1000000, Predrag Minovic released
2009-06-23: Checked to n = 950000, Predrag Minovic
2009-06-16: Found n = 937325, Predrag Minovic
2009-02-13: Checked to n = 920000, Predrag Minovic
2008-02-24: Checked to n = 885000, Predrag Minovic
2006-04-09: Found n = 490805, Predrag Minovic

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