Generalized Cullen primes of the form n•19n+1

Current data

ASCII format : n*19^n+1 Base : 19 Count : 1 Max n : 1,000,000 Date : 2024-10-25

6460

History

• 2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
• 2023-05-20: Checked to n = 1000000, Ryan Propper
• 2023-05-18: Reserved by Ryan Propper to n = 1000000
• 2023-04-23: Checked n = 2 - 100000, Mark Rodenkirch, double-check
• 2013: Checked n = 8247 - 306195, Günter Löh
• 2000: Checked n = 1851 - 8247, Wilfrid Keller
• 1998-11-10: Found n = 6460, Wilfrid Keller
• 1989: Checked n = 1 - 1851, Harvey Dubner