Riesel primes of the form 341•2n-1

Current data

k , b : 341 , 2 Type : Low Count : 17 Nash : 972 Max n : 3,000,000 Date : 2022-06-03

10, 14, 18, 38, 118, 130, 306, 314, 1102, 3882, 4362, 4642, 72814, 86418, 312138, 1129218, 1484130

History

• 2022-06-03: Checked to n = 3000000, NPLB Drive 15, released
• 2014-12-29: Reserved by NPLB Drive 15, for n=2000000-3000000
• 2014-08-20: Checked to n = 2000000, NPLB Mini Drive 5, released
• 2014-08-19: Reserved by NPLB Mini Drive 5, for 1300000<n<2000000
• 2014-01-15: Found n = 1484130, Ian M. Gunn
• 2013-08-17: Reserved by NPLB Mini Drive 5 from n=1300000 (Port 7000)
• 2013-02-25: Checked to n = 1300000, Karsten Bonath, released
• 2013-01-14: Found n = 1129218, Karsten Bonath
• 2012-11-19: Reserved by Karsten Bonath, for 1000000<n<1300000
• 2009-02-05: Checked n = 891700 - 1000000, Ian M. Gunn, released
• 2009-01-03: ?, Carlos Eduardo Pinho, released
• 2008-12-30: Checked to n = 855000, Carlos Eduardo Pinho
• 2008-12-28: Checked to n = 800000, Carlos Eduardo Pinho, results not available anymore
• 2008-12-26: Checked to n = 770000, Carlos Eduardo Pinho
• 2008-12-23: Checked to n = 700000, Carlos Eduardo Pinho, Port C6000?
• 2008-12-12: Reserved by Carlos Eduardo Pinho, for 600000<n<1000000, Port C443
• 2008-11-10: Checked to n = 600000, NPLB Drive 3, released
• 2008-03-06: 312138 confirmed, James P. Burt
• 2008-03-01: Reserved by NPLB Drive 3, for 260000<n<600000
• 2004-11-09: Found n = 312138, David Broadhurst