Proth primes of the form 16•3n+1

Current data

k , b : 16 , 3 Count : 34 Nash : 2853 Max n : 200,000 Date : 2024-09-16

3, 4, 5, 12, 24, 36, 77, 195, 296, 297, 533, 545, 644, 884, 932, 1409, 2061, 2453, 2985, 3381, 4980, 5393, 11733, 13631, 14516, 21004, 27663, 32645, 39453, 67055, 90543, 105293, 107448, 193684

Remarks :

For all even n-values 16•3n+1 is a Generalized Fermat number.

History

• 2024-09-16: Checked n = 100000 - 200000, Gary Barnes, released
• 2021-03-09: Checked n = 1 - 100000, Paul Vanderveen
• 2004-03-08: Found n = 107448, Peter Benson
• 2004-03-05: Found n = 105293, Peter Benson