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Proth primes of the form 17•2n+1

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Reserved! This sequence is currently part of Multi Reservation 20: PrimeGrid Fermat Divisor Search.

Current data

k-value : 17
Count : 19
Nash : 672
Max n : 7,620,000
Date : 2020-12-28
Reserved : PrimeGridPrimeGrid/Reserved
3, 15, 27, 51, 147, 243, 267, 347, 471, 747, 2163, 3087, 5355, 6539[1], 7311, 99231, 824451, 1388355[2], 1990299[3]

Notes

  1. Divides: F(6537)
  2. Divides: GF(1388354,10)
  3. Divides: GF(1990298,3)