Riesel primes of the form 17•2n-1

Reserved! This sequence is currently reserved by: RPS k=17

Current data

k , b : 17 , 2 Count : 43 Nash : 2416 Max n : 5,000,000 Date : 2021-03-21 Reserved : RPS k=17RPS k=17/Reserved

2, 4, 6, 16, 20, 36, 54, 60, 96, 124, 150, 252, 356, 460, 612, 654, 664, 698, 702, 972, 1188, 1312, 3062, 4214, 4288, 5280, 9100, 20262, 21676, 24828, 46144, 62148, 79974, 117784, 211464, 310744, 310754, 429318, 601158, 605394, 2721830, 2946584, 4107544

Remarks :

Thread at MersenneForum. The sequence A001774 in OEIS

History

• 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
• 2015-07-12: Checked to n = 5000000, Serge Batalov
• 2015-06-30: Found n = 4107544, Serge Batalov, RPS k=17
• 2013-05-20: Found n = 2946584, Predrag Kurtovic, RPS k=17
• 2010-10-17: Found n = 2721830, Dmitry Domanov, RPS k=17
• 2010-01-03: Checked to n = 2200000, Predrag Minovic
• 2009-02-13: Checked to n = 1940000, Predrag Minovic
• 2006-09-19: Found n = 605394, Alexandre de Pereyra, RPS k=17
• 2006-05-03: Reserved by RPS k=17 for n > 205000
• 2004-05-18: Found n = 601158, Peter Grobstich
• 2003-11-24: Found n = 429318, Peter Grobstich
• 2003-08-22: Found n = 310754, Peter Grobstich
• 2003-08-22: Found n = 310744, Peter Grobstich
• 2003-07-25: Found n = 211464, Peter Grobstich
• 2003-04-08: Found n = 117784, Steven Harvey
• 1999-07-02: Found n = 62148, Michael J. Graef
• 1999-06-08: Found n = 46144, Michael J. Graef
• 1998-08-09: Found n = 24828, Wilfrid Keller
• 1998-08-08: Found n = 21676, Wilfrid Keller
• 1998-08-06: Found n = 20262, Wilfrid Keller