Riesel primes of the form 1155•2n-1

Current data

k , b : 1155 , 2 Type : 315 Count : 67 Nash : 3427 Max n : 1,900,000 Date : 2014-10-22

1, 3, 11, 14, 18, 21, 31, 39, 45, 49, 50, 54, 55, 64, 66, 94, 119, 123, 159, 168, 186, 203, 224, 234, 239, 270, 283, 409, 670, 783, 896, 995, 1106, 2230, 3465, 3606, 4859, 5449, 5950, 11714, 14511, 18818, 24351, 50139, 58504, 71983, 75090, 121761, 135790, 136975, 160006, 183159, 352835, 423774, 435526, 544104, 589735, 593965, 754851, 906939, 1082878, 1162129, 1411898, 1468763, 1490176, 1816779, 1855389

History

• 2014-10-22: Checked n = 1700000 - 1900000, Peter Benson
• 2014-09-15: Found n = 1855389, Peter Benson
• 2014-05-15: Checked n = 1570000 - 1700000, Peter Benson
• 2014-01-26: Checked n = 1400000 - 1570000, Peter Benson
• 2013-12-06: Found n = 1490176, Peter Benson
• 2013-09-27: Found n = 1411898, Peter Benson
• 2013-08-12: Checked n = 1300000 - 1400000, Peter Benson
• 2013-02-24: Found n = 1468763, Peter Benson
• 2012-09-21: Found n = 1816779, Peter Benson
• 2012-09-09: Checked n = 1200000 - 1300000, Peter Benson
• 2012-04-03: Checked n = 1100000 - 1200000, Peter Benson
• 2012-02-05: Found n = 1162129, Peter Benson
• 2011-09-11: Checked n = 1000000 - 1100000, Peter Benson
• 2011-08-14: Found n = 1082878, 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
• 2010-02-26: Found n = 906939, Peter Benson
• 2010-02-08: Checked n = 770000 - 780000, Peter Benson
• 2010-02-02: Checked to n = 770000, Peter Benson
• 2009-10-30: Found n = 754851, Peter Benson
• 2009-06-20: Found n = 593965, Peter Benson
• 2009-06-20: Found n = 589735, Peter Benson
• 2009-04-12: Found n = 544104, 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
• 2008-08-20: Checked n = 35000 - 50000, Karsten Bonath
• 2008-07-29: Checked n = 10000 - 35000, Karsten Bonath
• 2007-11-17: Found n = 435526, Peter Benson
• 2007-09-30: Found n = 423774, Peter Benson
• 2007-07-06: Checked n = 1 - 10000, Gary Barnes
• 2006-12-28: Found n = 352835, Peter Benson
• 2004-11-22: Found n = 183159, Peter Benson
• 2002-09-13: Found n = 160006, Ian J. Brown