Riesel primes of the form 435•2n-1

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

Current data

k , b : 435 , 2 Type : 315 Count : 37 Nash : 1957 Max n : 2,820,000 Date : 2024-03-09 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

4, 13, 14, 17, 22, 23, 28, 29, 89, 119, 158, 356, 424, 448, 1837, 1856, 2897, 3388, 5464, 6034, 6724, 9236, 15629, 18829, 20677, 21389, 54119, 63469, 83728, 96284, 109796, 695309, 810373, 1077677, 1853363, 1857332, 2089948

History

• 2022-10-04: Found n = 2089948, Florian Piesker
• 2022-08-10: Checked to n = 2000000, NPLB Drive 13, released
• 2022-08-09: Reserved by NPLB Drive 17, for 2000000<n<3000000
• 2022-05-25: Found n = 1857332, Bruce Marler
• 2022-05-22: 1853363 confirmed, Florian Piesker
• 2015-01-27: Found n = 1853363, Dmitry Domanov
• 2011-12-29: Found n = 1077677, Göran Schmidt
• 2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
• 2010-11-11: Checked to n = 1000000, NPLB Drive 5
• 2010-05-24: Found n = 810373, Scott Gilvey
• 2009-06-15: Found n = 695309, Gary Barnes
• 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
• 2002-10: Found n = 109796, Steven Harvey
• 2002-01-07: Found n = 96284, Kimmo Herranen
• 2002-01-07: Found n = 83728, Kimmo Herranen