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Riesel primes of the form 489•2n-1

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Reserved! This sequence is currently part of Multi Reservation 8: NPLB Drive 17.

Current data

k , b : 489 , 2
Type : 3
Count : 71
Nash : 3058
Max n : 2,820,000
Date : 2024-03-09
Reserved : No Prime Left BehindNo Prime Left Behind/Reserved
1, 3[1], 4[2], 5[3], 7[4], 8, 17, 20, 31[5], 32, 39, 41, 48, 51, 63, 75, 99, 151, 187, 228[6], 229, 275, 312, 347, 391, 419, 697, 723, 1049, 1323, 1331, 1447, 2219, 2704, 3447, 3759, 3851, 4227, 8391, 10828, 14365, 18103, 19308, 27400, 31463, 48145, 50588, 50639, 62267, 86120, 93329, 102447, 108411, 157127, 173060, 191415, 204980, 225992, 270948, 299331, 307544, 311952, 343303, 407751, 780040, 1041511, 1456683, 1830584, 1833431, 2255331, 2442281

Notes

  1. ↑ Sophie Germain n=3
  2. ↑ Sophie Germain n=4
  3. ↑ Twin n=5
  4. ↑ Sophie Germain n=7
  5. ↑ Sophie Germain n=31
  6. ↑ Sophie Germain n=228

History

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