Riesel primes of the form 2433•2n-1

Reserved! This sequence is currently part of Multi Reservation 12: CRUS Even Sierpiński.

Current data

k , b : 2433 , 2 Type : 3 Count : 29 Nash : 1703 Max n : 600,000 (10,000,000) Date : 2012-02-18 (2020-10-17) Reserved : Conjectures 'R UsConjectures 'R Us/Reserved

3, 14, 30, 32, 48, 50, 66, 68, 426, 444, 498, 608, 726, 1572, 1904, 2892, 7404, 19968, 26360, 83672, 84200, 100016, 136958, 152832, 187140, 195206, 225908, 269234, 485340

Remarks :

Odd n search is for Conjectures 'R Us 19464 * 4 ^ n - 1.

History

• 2023-07-11: Checked to n = 10000000 (only odd n), Conjectures 'R Us
• 2022-11-05: Checked to n = 9000000 (only odd n), Conjectures 'R Us
• 2021-11-21: Checked to n = 8000000 (only odd n), Conjectures 'R Us
• 2021-01-28: Checked to n = 6650000 (only odd n), Conjectures 'R Us
• 2020-07-03: Checked to n = 6620000 (only odd n), Conjectures 'R Us
• 2012-02-18: Checked to n = 425000, NPLB Drive 12C, released
• 2012-01-03: Checked to n = 350000, NPLB Drive 12B, released
• 2011-12-31: Reserved by NPLB Drive 12C, for 350001 ≤ n ≤ 425000
• 2010-11-19: Checked to n = 600000, NPLB Drive 11, released
• 2010-03-26: Reserved by NPLB Drive 12B, for 250001 ≤ n ≤ 350000
• 2010-01-05: Checked to n = 250000, NPLB Drive 12A, released
• 2009-12-18: Checked n = 20000 - 50000, Karsten Bonath
• 2009-09-23: Found n = 485340, Gary Barnes, NPLB Drive 11
• 2009-08-13: Reserved by NPLB Drive 12A, for 50001 ≤ n ≤ 250000
• 2009-06-28: Checked n = 10000 - 20000, Thomas Ritschel
• 2009-06-22: Reserved by NPLB Drive 11, for 425001 ≤ n ≤ 600000