Williams primes of the form 18•19n-1

Current data

Base : 19 Count : 10 Max n : 200,000 Date : 2024-11-04

6, 9, 20, 43, 174, 273, 428, 1388, 35423, 76364

History

• 2024-11-04: Checked n = 100000 - 200000, Richard Kapek, released
• 2024-10-19: Reserved by Richard Kapek for n = 100000 - 200000
• 2024-09-04: Checked n = 2 - 100000, Mark Rodenkirch, double-check n = 2 - 30000, released
• 2024-08-22: Reserved by Mark Rodenkirch for n = 2 - 100000
• 2019-04-17: Checked n = 1 - 30000, Karsten Bonath
• 2018-03-09: Checked n = 1 - 25000, Eric Chen
• ?: Checked to n = 512, Steven Harvey