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Proth primes of the form 121•2n+1

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

Current data

k , b : 121 , 2
Count : 25
Nash : 1004
Max n : 10,000,000 (4,850,000)
Date : 2021-04-08 (2024-03-28)
Reserved : PrimeGridPrimeGrid/Reserved
8, 12[1], 44, 84, 96[2], 228, 264, 320, 732, 788, 1808, 7928, 12264, 37784, 59196, 91112, 112208[3], 168716, 251184, 264632, 272052, 513020, 636564, 674360, 9584444
Remarks :
All values are Generalized Fermat numbers.

Notes

  1. ↑ Is GF Divisor of xGF(11,8,3)
  2. ↑ Is GF Divisor of xGF(95,9,7)
  3. ↑ Is GF Divisor of GF(112207,5)

History

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