Riesel primes of the form 1055•2n-1

Current data

k , b : 1055 , 2 Count : 37 Nash : 2026 Max n : 1,900,000 Date : 2020-06-17

2, 4, 18, 36, 66, 122, 126, 158, 166, 196, 234, 794, 1146, 1486, 1492, 2058, 4366, 5066, 7362, 13174, 16372, 17034, 19204, 24062, 47218, 97828, 100564, 152066, 173218, 250276, 554686, 761802, 795994, 821562, 978942, 1368554, 1402194

History

• 2020-06-17: Checked to n = 500000, Paul Vanderveen, released
• 2020-06-11: Checked to n = 300000, Paul Vanderveen
• 2020-06-09: Reserved by Paul Vanderveen
• 2014-10-22: Checked to n = 1900000, Peter Benson
• 2014-05-15: Checked to n = 1700000, Peter Benson
• 2014-01-26: Checked to n = 1570000, Peter Benson
• 2013-08-21: Found n = 1402194, Peter Benson
• 2013-08-12: Checked to n = 1400000, Peter Benson
• 2013-04-13: Found n = 1368554, Peter Benson
• 2012-09-09: Checked to n = 1300000, Peter Benson
• 2012-04-03: Checked to n = 1200000, Peter Benson
• 2011-09-11: Checked to n = 1100000, Peter Benson
• 2011-04-17: Checked to n = 1000000, Peter Benson
• 2011-03-12: Checked to n = 980000, Peter Benson
• 2011-03-09: Found n = 978942, Peter Benson
• 2011-02-04: Checked to n = 960000, Peter Benson
• 2011-01-02: Checked to n = 940000, Peter Benson
• 2010-11-20: Checked to n = 920000, Peter Benson
• 2010-10-09: Checked to n = 900000, Peter Benson
• 2010-08-15: Checked to n = 880000, Peter Benson
• 2010-06-27: Checked to n = 860000, Peter Benson
• 2010-05-21: Checked to n = 840000, Peter Benson
• 2010-04-12: Found n = 821562, Peter Benson
• 2010-04-10: Checked to n = 820000, Peter Benson
• 2010-03-09: Checked to n = 800000, Peter Benson
• 2010-03-03: Found n = 795994, Peter Benson
• 2010-02-08: Checked to n = 780000, Peter Benson
• 2010-02-02: Checked to n = 770000, Peter Benson
• 2010-01-14: Found n = 761802, Peter Benson
• 2009-02-24: Checked to n = 479264, NPLB Drive 9D, released
• 2009-02-16: Checked to n = 350000, NPLB Drive 9C, released
• 2009-01-25: Checked to n = 200000, NPLB Drive 9A, released
• 2009-01-21: Reserved by NPLB Drive 9D, for 350000 ≤ n ≤ 479264
• 2009-01-21: Reserved by NPLB Drive 9C, for 200000 ≤ n ≤ 350000
• 2009-01-18: Found n = 554686, Peter Benson
• 2009-01-05: Reserved by NPLB Drive 9A, for 50000 ≤ n ≤ 200000
• 2008-08-20: Checked n = 35000-50000, Karsten Bonath
• 2008-07-29: Checked n = 10000-35000, Karsten Bonath
• 2007-07-06: Checked to n = 10000, Gary Barnes
• 2005-04-21: Found n = 250276, Peter Benson
• 2004-09-24: Found n = 173218, Peter Benson