Proth primes of the form 19683•2n+1

Current data

k , b : 19683 , 2 Type : 3 Count : 32 Nash : 1802 Max n : 4,000,000 Date : 2019-10-08

1, 5, 8, 32, 50, 400, 536, 592, 676, 866, 1157, 1300, 1661, 1730, 2440, 7046, 9698, 16180, 16226, 22330, 26990, 206005, 238780, 278941, 366665, 485845, 493846, 901745, 1797997, 1868828, 2033900, 2265896

History

• 2019-10-12: Checked n = 1 - 300000, Ravi Fernando
• 2019-10-08: Checked n = 300000 - 4000000, PrimeGrid Fermat Divisor Search
• 2019-09-09: Found n = 2033900, Stefan Larsson
• 2019-09-08: Found n = 1797997, Bill Michael
• 2019-09-07: Found n = 1868828, Bill Cavnaugh
• 2019-09-07: Found n = 2265896, Nick Merrylees