Generalized Cullen primes of the form n•66n+1

Current data

ASCII format : n*66^n+1 Base : 66 Count : 9 Max n : 200,000 Date : 2024-10-25

1, 2, 158, 257, 1016, 2543, 3396, 3801, 81778

History

• 2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
• 2023-06-03: Checked n = 100000 - 200000, Mark Rodenkirch, double-check n = 100000 - 106152, released
• 2023-05-27: Reserved by Mark Rodenkirch to n = 200000
• 2023-05-09: Checked n = 1 - 100000, Mark Rodenkirch, double-check, released
• 2023-04-18: Reserved by Mark Rodenkirch to n = 100000, double-check
• 2011: Checked n = 2467 - 106152, Günter Löh
• 2007-11-26: Found n = 81778, Günter Löh
• 2000-12: Found n = 2543, 3396, 3801, Günter Löh
• 2000-01-27: Found n = 1016, Jim Liddle
• 2000: Checked n = 1 - 2467, Wilfrid Keller