Proth primes of the form 3943•2n+1

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

Current data

k , b : 3943 , 2 Count : 45 Nash : 1934 Max n : 1,980,000 Date : 2024-07-26 Reserved : PrimeGridPrimeGrid/Reserved

2, 30, 54, 74, 86, 146, 150, 166, 318, 338, 342, 372, 530, 540, 966, 1058, 1074, 1438, 1482, 1526, 2722, 3074, 4026, 4614, 4974, 5998, 8126, 8868, 9612, 9710, 13302, 16710, 16926, 18822, 18830, 24606, 57902, 148138, 174038, 221274, 311366, 384002, 809706, 1280698, 1642638

History

• 2023-10-21: Checked n = 3322000 - 3486000, PrimeGrid Proth Mega Prime Search
• 2021-08-05: Found n = 1642638, Randall Scalise, PrimeGrid Proth Prime Search Extended
• 2014-06-19: Found n = 1280698, Mark Molder, PrimeGrid Proth Prime Search Extended
• 2012-03-26: Found n = 809706, Bruce Dodson, PrimeGrid Proth Prime Search Extended
• 1996-05: Found n = 16710, Patrick Demichel
• 1996-05-01: Found n = 8126, Patrick Demichel
• 1993: Found n = 4974, Jeffrey Young
• 1993: Found n = 4614, Jeffrey Young
• 1993: Found n = 4026, Jeffrey Young