Proth primes of the form 3207•2n+1

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

Current data

k , b : 3207 , 2 Type : 3 Count : 59 Nash : 2518 Max n : 1,980,000 Date : 2024-07-26 Reserved : PrimeGridPrimeGrid/Reserved

2, 3, 7, 11, 12, 14, 23, 39, 63, 74, 83, 90, 91, 123, 134, 170, 194, 208, 230, 403, 480, 487, 498, 683, 743, 962, 3122, 4628, 5882, 6402, 6680, 7560, 7679, 10008, 17744, 31710, 44731, 51182, 63174, 83823, 100202, 115739, 154119, 204279, 221063, 296948, 321978, 360220, 371927, 387203, 396887, 791582, 903902, 1244504, 1267439, 1286940, 1859448, 3375314, 3412108

History

• 2024-02-03: Found n = 1859448, Kenneth J. Brazier, PrimeGrid Proth Prime Search Extended
• 2023-10-21: Checked n = 3322000 - 3486000, PrimeGrid Proth Mega Prime Search
• 2022-03-15: Found n = 3412108, Charles Jackson, PrimeGrid Proth Mega Prime Search
• 2021-08-07: Found n = 3375314, Wolfgang Schwieger, PrimeGrid Proth Mega Prime Search
• 2014-07-25: Found n = 1286940, Jonathan Champ, PrimeGrid Proth Prime Search Extended
• 2014-03-25: Found n = 1267439, Aaron Everett, PrimeGrid Proth Prime Search Extended
• 2012-02-04: Found n = 1244504, Josef Matousek, PrimeGrid Proth Prime Search Extended
• 2012-06-10: Found n = 903902, Randall Scalise, PrimeGrid Proth Prime Search Extended
• 2012-03-11: Found n = 791582, Honza Cholt, PrimeGrid Proth Prime Search Extended
• 1996-05-01: Found n = 7679, Patrick Demichel
• 1996-05-01: Found n = 7560, Patrick Demichel
• 1996-03: Found n = 6680, Patrick Demichel
• 1993: Found n = 4628, Jeffrey Young