Riesel primes of the form 1105•2n-1

Current data

k , b : 1105 , 2 Count : 42 Nash : 1893 Max n : 1,900,000 Date : 2014-10-22

3, 7, 13, 17, 35, 37, 43, 177, 215, 273, 377, 379, 395, 573, 651, 827, 937, 2483, 3023, 3035, 3185, 4625, 5255, 9065, 11017, 13237, 14561, 19187, 22431, 23745, 29817, 33171, 57073, 100987, 170723, 183413, 306357, 373825, 388345, 482773, 1305693, 1529161

History

• 2014-10-22: Checked n = 1700000 - 1900000, Peter Benson
• 2014-05-15: Checked n = 1570000 - 1700000, Peter Benson
• 2014-01-26: Checked n = 1400000 - 1570000, Peter Benson
• 2013-12-27: Found n = 1529161, Peter Benson
• 2013-08-12: Checked n = 1300000 - 1400000, Peter Benson
• 2012-09-09: Checked n = 1200000 - 1300000, Peter Benson
• 2012-06-13: Found n = 1305693, Peter Benson
• 2012-04-03: Checked n = 1100000 - 1200000, Peter Benson
• 2011-09-11: Checked n = 1000000 - 1100000, Peter Benson
• 2011-04-17: Checked n = 980000 - 1000000, Peter Benson
• 2011-03-12: Checked n = 960000 - 980000, Peter Benson
• 2011-02-04: Checked n = 940000 - 960000, Peter Benson
• 2011-01-02: Checked n = 920000 - 940000, Peter Benson
• 2010-11-20: Checked n = 900000 - 920000, Peter Benson
• 2010-10-09: Checked n = 880000 - 900000, Peter Benson
• 2010-08-15: Checked n = 860000 - 880000, Peter Benson
• 2010-06-27: Checked n = 840000 - 860000, Peter Benson
• 2010-05-21: Checked n = 820000 - 840000, Peter Benson
• 2010-04-10: Checked n = 800000 - 820000, Peter Benson
• 2010-03-09: Checked n = 780000 - 800000, Peter Benson
• 2010-02-08: Checked n = 770000 - 780000, Peter Benson
• 2010-02-02: Checked to n = 770000, Peter Benson
• 2009-02-23: Checked n = 350000 - 479264, NPLB Drive 9D, results fill-in only, released
• 2009-02-16: Checked n = 200000 - 350000, NPLB Drive 9C, results fill-in only, released
• 2009-01-28: Checked n = 50000 - 200000, NPLB Drive 9A, released
• 2009-01-21: Reserved by NPLB Drive 9D, for n = 350000 - 479264 results fill-in only
• 2009-01-21: Reserved by NPLB Drive 9C, for n = 200000 - 350000 results fill-in only
• 2009-01-05: Reserved by NPLB Drive 9A, for n = 50000 - 200000
• 2008-12-24: Found n = 482773, Peter Benson
• 2008-08-20: Checked n = 35000 - 50000, Karsten Bonath
• 2008-07-29: Checked n = 10000 - 35000, Karsten Bonath
• 2007-07-06: Checked n = 1 - 10000, Gary Barnes
• 2007-05-20: Found n = 388345, Peter Benson
• 2007-03-18: Found n = 373825, Peter Benson
• 2006-03-14: Found n = 306357, Peter Benson
• 2004-11-08: Found n = 183413, Peter Benson