Riesel prime 4 4866

Current data

k , b : 4866 , 4 Count : 1 Nash : 264 Max n : 5,000,000 Date : 2023-07-11

1

Remarks :

Conjectures 'R Us search for 19464*4^n-1. It is an odd n search of Riesel 2433•2n-1.

History

• 2023-07-11: Checked to n = 5000000, (SRBase), Conjectures 'R Us
• 2023-05-01: Reserved by (SRBase), Conjectures 'R Us, for n=4500000-5000000
• 2022-11-05: Checked to n = 4500000, (SRBase), Conjectures 'R Us
• 2022-08-02: Reserved by (SRBase), Conjectures 'R Us, for n=4000000-4500000
• 2021-11-21: Checked to n = 4000000, (SRBase), Conjectures 'R Us
• 2021-06-20: Reserved by (SRBase), Conjectures 'R Us, for n=3325000-4000000
• 2021-01-28: Checked to n = 3325000, (PRPnet port 1400), Conjectures 'R Us, released
• 2017-05-16: Checked to n = 2453000, (PRPnet port 1400), Conjectures 'R Us
• 2015-04-29: Checked to n = 1500000, (PRPnet port 1400), Conjectures 'R Us
• 2014-09-20: Reserved by (PRPnet port 1400), Conjectures 'R Us, n>1000000
• 2011-05-25: Checked n = 500000-1000000, Gary Barnes, released
• 2011-05-12: Reserved by Gary Barnes, for n=500000-1000000
• 2008-06-28: Checked to n = 500000, Gary Barnes, released
• 2008-06-26: Checked to n = 490000, Gary Barnes
• 2008-06-17: Checked to n = 400000, Gary Barnes
• 2008-06-01: Reserved by Gary Barnes, for n ≤ 500000
• 2008-02-14: Checked to n = 300000, Gary Barnes, released
• 2008-02-06: Checked to n = 250000, Gary Barnes
• 2008-02-03: Checked to n = 207000, Gary Barnes
• 2008-01-31: Checked to n = 162000, Gary Barnes
• 2008-01-25: Reserved by Gary Barnes, for n ≤ 250000
• 2008-01-24: Checked to n = 131016, Jean Penné, released
• 2008-01-07: Checked to n = 68556, Jean Penné