Riesel primes of the form 2433•2n-1

Reserved! This sequence is currently part of Multi Reservation 15: CRUS Even Riesel.

Current data

k , b : 2433 , 2 Type : 3 Count : 29 Nash : 1703 Max n : 600,000 (10,000,000) Date : 2012-02-18 (2023-07-11) 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 :

For odd-n, also see 4866*4^n-1.

History

• 2023-07-11: Checked to n = 10000000 (only odd n), (SRBase), Conjectures 'R Us
• 2023-05-01: Reserved by (SRBase), Conjectures 'R Us, for odd n=9000000-10000000
• 2022-11-05: Checked to n = 9000000 (only odd n), (SRBase), Conjectures 'R Us
• 2022-08-02: Reserved by (SRBase), Conjectures 'R Us, for odd n=8000000-9000000
• 2021-11-21: Checked to n = 8000000 (only odd n), (SRBase), Conjectures 'R Us
• 2021-06-20: Reserved by (SRBase), Conjectures 'R Us, for odd n=6650000-8000000
• 2021-01-28: Checked to n = 6650000 (only odd n), (PRPnet port 1400), Conjectures 'R Us, released
• 2017-05-16: Checked to n = 4906000 (only odd n), (PRPnet port 1400), Conjectures 'R Us
• 2015-04-29: Checked to n = 3000000 (only odd n), (PRPnet port 1400), Conjectures 'R Us
• 2014-09-20: Reserved by (PRPnet port 1400), Conjectures 'R Us, for odd n>2000000
• 2012-02-18: Checked to n = 425000, NPLB Drive 12C, released
• 2012-01-06: Reserved by NPLB Drive 12C, for 350001 ≤ n ≤ 425000
• 2012-01-03: Checked to n = 350000, NPLB Drive 12B, released
• 2011-05-25: Checked n = 1000000 - 2000000 (only odd n), Gary Barnes, released
• 2011-05-12: Reserved by Gary Barnes, for odd n=1000000-2000000
• 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
• 2008-06-28: Checked to n = 1000000 (only odd n), Gary Barnes, released
• 2008-06-26: Checked to n = 980000 (only odd n), Gary Barnes
• 2008-06-17: Checked to n = 800000 (only odd n), Gary Barnes
• 2008-06-01: Reserved by Gary Barnes, for odd n ≤ 1000000
• 2008-02-14: Checked to n = 600000 (only odd n), Gary Barnes, released
• 2008-02-06: Checked to n = 500000 (only odd n), Gary Barnes
• 2008-02-03: Checked to n = 414000 (only odd n), Gary Barnes
• 2008-01-31: Checked to n = 324000 (only odd n), Gary Barnes
• 2008-01-25: Reserved by Gary Barnes, for odd n ≤ 500000
• 2008-01-24: Checked to n = 262032 (only odd n), Jean Penné, released
• 2008-01-07: Checked to n = 137112 (only odd n), Jean Penné