Generalized Cullen primes of the form n•40n+1

Current data

ASCII format : n*40^n+1 Base : 40 Count : 4 Max n : 200,000 Date : 2023-05-07

1, 202, 74844, 88195

History

• 2023-05-07: Checked n = 100001 - 200000, Mark Rodenkirch, released
• 2023-14-17: Checked n = 2 - 100000, Mark Rodenkirch, double-checked, continuing reservation
• 2023-04-01: Reserved by Mark Rodenkirch
• ?: Checked to n = 50675, (?)
• 2009-05-11: Found n = 88195, Lei Zhou
• 2009-04-09: Found n = 74844, Lei Zhou