Proth primes of the form 9347•2n+1

Reserved! This sequence is currently part of Multi Reservation 25: PrimeGrid Proth Prime Search Extended.

Current data

k , b : 9347 , 2 Type : Low Count : 16 Nash : 989 Max n : 2,000,000 Date : 2024-10-15 Reserved : PrimeGridPrimeGrid/Reserved

15, 195, 351, 1135, 1223, 2591, 3163, 3583, 4435, 35599, 36695, 43051, 262879, 355087, 1645911, 3374055

History

• 2023-10-21: Checked n = 3322000 - 3486000, PrimeGrid Proth Mega Prime Search
• 2021-10-05: Found n = 1645911, Alan Leslie, PrimeGrid Proth Prime Search Extended
• 2021-07-30: Found n = 3374055, Ian Johns, PrimeGrid Proth Mega Prime Search
• 1993: Found n = 4435, Jeffrey Young
• 1993: Found n = 3583, Jeffrey Young