Proth primes of the form 259•2n+1

Reserved! This sequence is currently part of Multi Reservation 1: PrimeGrid Proth Prime Search.

Current data

k , b : 259 , 2 Type : Low Count : 8 Nash : 431 Max n : 5,200,000 Date : 2024-07-25 Reserved : PrimeGridPrimeGrid/Reserved

38, 70, 3230, 62918, 82878, 1282582, 3094582, 4395550

Remarks :

The sequence A032506 in OEIS

History

• 2023-12-02: Found n = 4395550, Raphaël Gervais Lavoie, PrimeGrid Proth Prime Search
• 2021-09-26: Found n = 3094582, Sascha Beat Dinkel, PrimeGrid Proth Prime Search
• 2019-07: Checked n = 3322000 - 3640000, PrimeGrid Proth Mega Prime Search
• 2012-01-11: Found n = 1282582, Yusup Khadjiyev, PrimeGrid Proth Prime Search
• 1998-10-21: Found n = 82878, David W. Linton
• 1998-10-10: Found n = 62918, David W. Linton