Riesel primes of the form 595•2n-1

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

Current data

k , b : 595 , 2 Count : 62 Nash : 2724 Max n : 2,820,000 Date : 2024-03-09 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

3, 7, 11, 15, 25, 27, 31, 35, 49, 69, 79, 99, 107, 109, 143, 175, 177, 191, 249, 357, 409, 417, 1059, 1113, 1817, 3017, 3031, 4189, 5177, 7231, 9013, 10369, 13471, 14347, 16091, 18623, 21193, 48089, 53065, 56873, 74839, 77603, 92745, 103191, 141539, 154851, 161969, 163435, 189167, 210867, 249907, 289407, 332639, 367897, 478771, 524229, 547465, 581167, 629757, 1234025, 1494593, 1594415

History

• 2022-08-10: Checked to n = 2000000, NPLB Drive 13, released
• 2022-08-09: Reserved by NPLB Drive 17, for 2000000<n<3000000
• 2020-01-06: Found n = 1594415, Dmitry Domanov
• 2017-07-17: Found n = 1494593, Max Dettweiler
• 2013-06-03: Found n = 1234025, Gary Barnes
• 2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
• 2010-11-11: Checked to n = 1000000, NPLB Drive 5
• 2009-02-10: Found n = 629757, Gary Barnes
• 2008-12-22: Checked to n = 600000, NPLB Drive 1
• 2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
• 2008-12-18: Found n = 581167, Ian M. Gunn
• 2008-12-03: Found n = 547465, Timothy Sorbera
• 2008-08-26: Found n = 524229, Gary Barnes
• 2008-06-18: Found n = 478771, Gary Barnes
• 2008-03-25: Checked to n = 333200, NPLB Drive 2
• 2008-02-29: Found n = 367897, James P. Burt
• 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
• 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
• 2005-10-15: Found n = 249907, Jun Tajima
• 2004-12-14: Found n = 210867, Steven Harvey
• 2004-08-31: Found n = 189167, Steven Harvey
• 2002-10: Found n = 103191, Steven Harvey