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

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Current data

ASCII format :	n*19^n+1
Base :	19
Count :	1
Max `n` :	1,000,000
Date :	2023-05-20

6460^[1]

Remarks :

See additional history at Generalized Cullen primes & Discoverers of Generalized Cullen primes.

Notes

↑ Proth 340•19⁶⁴⁶¹+1

History

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

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Cullen prime