Riesel primes of the form 313•2n-1

Current data

k , b : 313 , 2 Count : 38 Nash : 1437 Max n : 3,000,000 Date : 2022-06-03

3, 7, 19, 27, 71, 99, 115, 159, 163, 183, 563, 771, 1107, 2807, 4795, 5091, 5223, 6763, 7359, 7535, 8055, 10531, 18843, 29559, 44003, 47307, 62203, 67363, 67767, 84179, 123731, 135463, 261255, 508091, 1137387, 1456431, 1703119, 2817751

History

• 2022-06-03: Checked to n = 3000000, NPLB Drive 15, released
• 2021-12-02: Found n = 2817751, Tore Zachariassen
• 2014-12-29: Reserved by NPLB Drive 15, for n=2000000-3000000
• 2013-04-04: Checked to n = 2000000, Lennart Vogel, released
• 2013-04-02: Found n = 1703119, Lennart Vogel
• 2013-04-01: Reserved by Lennart Vogel, for 1500000<n<2000000
• 2013-04-01: Found n = 1456431, Lennart Vogel
• 2013-03-31: Reserved by Lennart Vogel for 1300000<n<1500000
• 2012-10-10: Checked to n = 1300000, Gary Barnes, released
• 2012-09-25: Reserved by Gary Barnes, for 1200000<n<1300000
• 2011-06-26: Checked to n = 1202547, Johnathan Chu, released
• 2011-04-17: Checked to n = 1160000, Johnathan Chu
• 2011-03-19: Found n = 1137387, Johnathan Chu
• 2011-03-11: Checked to n = 1120000, Johnathan Chu
• 2011-02-09: Checked to n = 1090000, Johnathan Chu
• 2011-01-11: Checked to n = 1060000, Johnathan Chu
• 2010-12-07: Reserved by Johnathan Chu, to n=1100000
• 2010-11-27: Reserved by Johnathan Chu, for 1000000<n<1020000
• 2009-08-27: Checked to n = 1000000, Michael Kwok, released, results included
• 2009-07-25: Checked to n = 995000, Michael Kwok, results included
• 2009-06-06: Checked to n = 950000, Michael Kwok, results included
• 2009-05-12: Checked to n = 930000, Michael Kwok
• 2009-04-12: Checked to n = 900000, Michael Kwok, results included
• 2009-02-19: Checked to n = 836000, Michael Kwok, results included
• 2009-01-16: Checked to n = 780000, Michael Kwok, results included
• 2008-12-14: Checked to n = 710000, Michael Kwok, results included
• 2008-11-10: Checked to n = 600000, NPLB Drive 3, released
• 2008-11-01: Checked to n = 650000, Michael Kwok, results included
• 2008-09-10: Reserved by Michael Kwok, for 600000<n<1000000
• 2008-06-03: 508091 confirmed, Glenn C. Kaiser
• 2008-03-01: Reserved by NPLB Drive 3, for 260000<n<600000
• 2007-08-23: Found n = 508091, Peter Benson
• 2003-06-03: Found n = 123731, Steven Harvey
• 2001-07-09: Found n = 84179, Sander Hoogendoorn
• 2001-02-20: Found n = 67767, Steven Harvey
• 2001-02-20: Found n = 67363, Steven Harvey
• 2001-02-20: Found n = 62203, Steven Harvey