Riesel primes of the form 6001•2n-1

Current data

k , b : 6001 , 2 Type : Low Count : 14 Nash : 938 Max n : 770,000 Date : 2024-03-17

7, 15, 49, 145, 763, 2119, 4159, 6763, 7087, 25789, 114775, 140449, 156555, 315529

History

• 2024-03-17: Checked n = 50000 - 400000, Norman D. Powell, double-check, released
• 2024-03-16: Reserved by Norman D. Powell
• 2020-02-15: Checked n = 700000 - 770000, Norman D. Powell, released
• 2020-02-14: Checked n = 500000 - 700000, Norman D. Powell
• 2020-02-12: Checked n = 425000 - 500000, Norman D. Powell
• 2020-02-11: Checked n = 25789 - 425000, Norman D. Powell, double-check n = 25789 - 50000, see starting n here
• 2020-02-11: Found n = 315529, Norman D. Powell
• 2020-02-10: Found n = 140449, 156555, Norman D. Powell
• 2020-02-10: Found n = 114775, Norman D. Powell
• 2010-06-06: Checked n = 410000 - 485000, 490000 - 560000?, Free-DC Drive 2, suspended
• 2009-05-28: Reserved by Free-DC Drive 2 from n = 410000
• 2009-05-02: Checked n = 10000 - 50000, David Metcalfe, from here
• 2007-07-06: Checked n = 1 - 10000, Gary Barnes