Riesel primes of the form 443•2n-1

Reserved! This sequence is currently part of Multi Reservation 8: NPLB Drive 17.

Current data

k , b : 443 , 2 Type : Low Count : 19 Nash : 787 Max n : 3,490,000 (2,820,000) Date : 2024-03-09 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

6, 10, 34, 66, 70, 118, 186, 214, 298, 406, 438, 1474, 1510, 3426, 4866, 7594, 18154, 234114, 1143154

History

• 2020-03-13: Checked to n = 3490000, Michael Curtis
• 2013-06-11: Checked to n = 2000000, Michael Curtis
• 2013-04-07: Checked to n = 2000000, Michael Curtis
• 2012-09-24: 1143154 confirmed, Lennart Vogel
• 2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
• 2011-04-08: Checked to n = 1500000, Michael Curtis
• 2011-02-06: Checked to n = 1400000, Michael Curtis
• 2010-11-24: Found n = 1143154, Michael Curtis
• 2010-11-11: Checked to n = 1000000, NPLB Drive 5
• 2010-10-28: none, Michael Curtis
• 2008-12-22: Checked to n = 600000, NPLB Drive 1
• 2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
• 2008-03-25: Checked to n = 333200, NPLB Drive 2
• 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
• 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
• 2002-03-26: Found n = 234114, Peter O'braian