Riesel primes of the form 365•2n-1

Reserved! This sequence is currently part of Multi Reservation 26: NPLB Drive 19.

Current data

k , b : 365 , 2 Count : 26 Nash : 1335 Max n : 3,100,000 Date : 2024-08-15 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

2, 4, 20, 38, 94, 602, 670, 902, 1090, 1910, 2156, 2576, 3260, 3500, 7060, 8420, 18742, 19066, 34024, 69556, 102560, 119084, 278054, 379426, 465850, 715676

History

• 2022-06-03: Reserved by NPLB Drive 16, for 2000000<n<3000000
• 2014-12-28: Checked to n = 2000000, NPLB Maxi Drive 1, released
• 2014-08-20: Reserved by NPLB Maxi Drive 1, for 1610000<n<2000000
• 2013-04-28: Reserved by NPLB Maxi Drive 1, for 1300000<n<2000000
• 2013-01-14: Reserved by NPLB Maxi Drive 1, for 1000000<n<1300000
• 2009-08-25: Checked to n = 1000000, Ian M. Gunn, released
• 2009-08-14: Checked to n = 974000, Ian M. Gunn
• 2009-07-20: Checked to n = 914000, Ian M. Gunn
• 2009-07-15: Reserved by Ian M. Gunn, for 900000<n<1000000
• 2009-06-18: Reserved by NPLB Mini Drive 4, for 800000<n<900000
• 2009-06-10: Found n = 715676, Gary Barnes
• 2009-05-29: Reserved by NPLB Mini Drive 4, for 700000<n<800000
• 2009-05-05: Checked to n = 700000, Gary Barnes, released
• 2009-05-01: Checked to n = 685000, Gary Barnes
• 2009-04-27: Checked to n = 640000, Gary Barnes
• 2009-04-15: Reserved by Gary Barnes, for 620000<n<700000
• 2009-04-13: Checked to n = 620000, Karsten Bonath, released
• 2009-03-15: Reserved by Karsten Bonath, for 600000<n<620000
• 2008-11-10: Checked to n = 600000, NPLB Drive 3, released
• 2008-05-02: 465850 confirmed, Gary Barnes
• 2008-03-01: Reserved by NPLB Drive 3, for 260000<n<600000
• 2006-10-01: Found n = 465850, Peter O'braian
• 2005-10-11: Found n = 379426, Peter O'braian
• 2005-04-06: Found n = 278054, Peter O'braian
• 2002-08-16: Found n = 119084, Kimmo Herranen
• 2002-08-16: Found n = 102560, Kimmo Herranen
• 2001-03-01: Found n = 69556, Kimmo Herranen