Proth primes of the form 15•2n+1

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Current data

k-value : 15
Count : 56
Nash : 2873
Max n : 2,500,000
Date : 2010-08-24
1[1], 2[2], 4[3], 9, 10[4], 12, 27, 37, 38, 44, 48, 78, 112, 168, 229, 297, 339, 517, 522, 654, 900, 1518, 2808, 2875, 3128, 3888, 4410, 6804, 7050, 7392, 19219, 21445, 21550, 24105, 24995, 34224, 34260, 43388, 48444, 61758, 184290, 294894, 300488, 403929, 483098, 635989, 701902, 734400, 1229600, 1244377, 1276177, 1368428, 1418605, 1597510, 1667744, 2393365

Notes

  1. Twin
  2. Twin
  3. Twin
  4. Twin