Generalized Cullen primes of the form n•128n+1

Current data

ASCII format : n*128^n+1 Base : 128 Count : 4 Max n : 200,000 Date : 2024-11-06

9, 35, 561, 7749

History

• 2024-11-06: Checked n = 1 - 100000, Gary Barnes, double-check, released
• 2024-10-28: Reserved by Gary Barnes, for n = 1 - 100000 double-check
• 2008: Checked n = 57000 - 200000, Daniel Hermle
• 2007: Checked n = 1 - 57000, Steven Harvey
• 2004-07: Found n = 7749, Steven Harvey
• 1998-06-16: Found n = 561, Henri Lifchitz