Williams primes of the form 12•13n+1

Current data

Base : 13 Count : 18 Max n : 200,000 Date : 2024-10-03

1, 2, 4, 21, 34, 48, 53, 160, 198, 417, 773, 1220, 5361, 6138, 15557, 18098, 30580, 75198

History

• 2024-10-03: Checked n = 100000 - 200000, Richard Kapek, released
• 2024-09-23: Reserved by Richard Kapek for n = 100000 - 200000
• 2024-08-28: Checked n = 2 - 100000, Mark Rodenkirch, double-check, released
• 2024-08-22: Reserved by Mark Rodenkirch for n = 2 - 100000 double-check
• 2020-09-29: Checked n = 25000 - 100000, Paul Vanderveen
• 2018-03-26: Checked n = 1 - 25000, Eric Chen
• 2016: Checked n = 1 - 1000, Mauro Fiorentini
• 1999-07-29: Found n = 18098, Chris Caldwell
• 1999-04-26: Found n = 15557, Chris Caldwell
• 1998-12-15: Found n = 6138, Chris Caldwell