Riesel primes of the form 163503•2n-1

Reserved! This sequence is currently part of Multi Reservation 5: CRUS Liskovets-Gallot.

Current data

k , b : 163503 , 2 Type : 3 Count : 32 Nash : 2241 Max n : 50,000 (5,000,000) Date : 2020-07-03 (2023-07-11) Reserved : Conjectures 'R UsConjectures 'R Us/Reserved

2, 8, 14, 18, 20, 80, 86, 92, 98, 144, 162, 192, 374, 780, 1086, 1878, 2624, 2868, 2910, 3152, 3252, 6714, 7794, 7982, 8196, 9104, 12806, 23378, 32862, 37286, 44094, 45636

Remarks :

For odd-n, also see 327006*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
• 2020-07-03: Checked to n = 50000, Karsten Bonath
• 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
• 2011-08-10: Checked to n = 2000000 (only odd n), (PRPnet port 1300), Conjectures 'R Us, released
• 2011-05-13: Checked to n = 1400000 (only odd n), (PRPnet port 1300), Conjectures 'R Us
• 2011-02-07: Reserved by (PRPnet port 1300), Conjectures 'R Us
• 2011-02-02: Checked to n = 1100000 (only odd n), Karsten Bonath, released
• 2010-06-29: Checked to n = 1100000 (only odd n), Karsten Bonath
• 2010-05-08: Checked to n = 1070000 (only odd n), Karsten Bonath
• 2010-03-28: Checked to n = 979000 (only odd n), Karsten Bonath
• 2009-04-10: Checked to n = 968000 (only odd n), Karsten Bonath
• 2008-12-11: Checked to n = 665000 (only odd n), Karsten Bonath
• 2008-06-15: Checked to n = 409000 (only odd n), Karsten Bonath
• 2008-05-04: Checked to n = 385000 (only odd n), Karsten Bonath
• 2008-01-28: Checked to n = 262107 (only odd n), Jean Penné, released
• 2008-01-19: Checked to n = 53677 (only odd n), Jean Penné