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Proth primes of the form 261•2n+1

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

Current data

k , b : 261 , 2
Type : 3
Count : 96
Nash : 4016
Max n : 5,570,000
Date : 2024-12-06
Reserved : PrimeGridPrimeGrid/Reserved
1[1], 3[2], 4, 5, 7, 9[3], 11, 27, 29, 37, 57, 59, 67, 71, 73, 101[4], 117, 155, 157, 160[5], 193, 195, 208, 273, 303, 328, 357, 433, 443, 444, 479[6], 587, 1095, 1101, 1149, 1291, 1319, 1580, 2065, 2137, 2225[7], 2796[8], 3025, 3195, 4396, 6309[9], 6396, 6933, 6955, 8271, 8691, 10688, 11709, 11711, 12993, 15120, 16509, 18105, 20115, 21685, 22213, 24411, 27227, 41868, 42201, 56939, 57371, 61444[10], 62445, 96360[11], 100677, 107639, 119447, 152951[12], 165575, 231025, 258179, 260997, 271361, 345171, 492999, 715965, 768815, 806980, 895203[13], 933869, 1331356, 1586347, 1751160, 1848217[14], 1995105, 2152805, 2671677, 2879941, 3066009, 4106385
Remarks :
The sequence A032507 in OEIS

Notes

  1. ↑ Twin n=1
  2. ↑ Twin n=3
  3. ↑ Twin n=9
  4. ↑ Is GF Divisor of xGF(100,11,7)
  5. ↑ Is GF Divisor of GF(157,8)
  6. ↑ Is GF Divisor of xGF(477,11,5)
  7. ↑ Is GF Divisor of xGF(2224,5,2) [+1]
  8. ↑ Is GF Divisor of xGF(2795,11,4)
  9. ↑ Is GF Divisor of xGF(6308,7,4)
  10. ↑ Is GF Divisor of xGF(61443,8,5)
  11. ↑ Is GF Divisor of GF(96359,7)
  12. ↑ Is GF Divisor of xGF(152950,11,9)
  13. ↑ Is GF Divisor of xGF(895200,5,4) [+1]
  14. ↑ Is GF Divisor of xGF(1848215,7,5)

History

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