Riesel primes of the form 369•2n-1

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

Current data

k , b : 369 , 2 Type : 3 Count : 60 Nash : 2644 Max n : 3,100,000 Date : 2024-08-15 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

4, 5, 8, 9, 12, 13, 19, 23, 28, 29, 47, 57, 80, 103, 109, 112, 136, 148, 175, 180, 239, 252, 280, 383, 485, 575, 1124, 1135, 1345, 1613, 1677, 2219, 2353, 2843, 3083, 3407, 4344, 4365, 5233, 8848, 11699, 14447, 21369, 26867, 30145, 36188, 36669, 46856, 63405, 74288, 81112, 132324, 146420, 195792, 220592, 220972, 753624, 1635299, 2436949, 2551955

History

• 2023-02-02: Found n = 2551955, Max Dettweiler
• 2023-01-28: Found n = 2436949, Max Dettweiler
• 2022-06-03: Reserved by NPLB Drive 16, for 2000000<n<3000000
• 2014-12-28: Checked to n = 2000000, NPLB Maxi Drive 1, released
• 2014-08-23: Found n = 1635299, Lennart Vogel
• 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
• 2009-12-29: Checked to n = 1000000, Ian M. Gunn, released
• 2009-11-22: Checked to n = 955000, Ian M. Gunn
• 2009-10-18: Checked to n = 903000, Ian M. Gunn
• 2009-10-14: Checked to n = 898000, Ian M. Gunn
• 2009-10-01: Checked to n = 878000, Ian M. Gunn
• 2009-08-30: Checked to n = 828000, Ian M. Gunn
• 2009-08-14: Checked to n = 802000, Ian M. Gunn
• 2009-07-20: Checked to n = 758000, Ian M. Gunn
• 2009-07-18: Found n = 753624, Ian M. Gunn
• 2009-06-28: Checked to n = 731000, Ian M. Gunn
• 2009-06-09: Checked to n = 714000, Ian M. Gunn
• 2009-05-25: Checked to n = 702000, Ian M. Gunn
• 2009-05-12: Checked to n = 689000, Ian M. Gunn
• 2009-04-23: Checked to n = 668000, Ian M. Gunn
• 2009-04-13: Checked to n = 620000, Karsten Bonath, released
• 2009-04-11: Checked to n = 656000, Ian M. Gunn
• 2009-03-19: Reserved by Ian M. Gunn, for 620000<n<1000000
• 2009-03-15: Reserved by Karsten Bonath, for 600000<n<620000
• 2008-11-10: Checked to n = 600000, NPLB Drive 3, released
• 2008-03-01: Reserved by NPLB Drive 3, for 260000<n<600000
• 2002-11-10: Found n = 220972, Kimmo Herranen
• 2002-11-10: Found n = 220592, Kimmo Herranen
• 2002-09-22: Found n = 195792, Kimmo Herranen
• 2002-09-22: Found n = 146420, Kimmo Herranen
• 2002-09-22: Found n = 132324, Kimmo Herranen
• 2001-03-07: Found n = 81112, Kimmo Herranen
• 2001-03-04: Found n = 74288, Kimmo Herranen
• 2001-03-04: Found n = 63405, Kimmo Herranen