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25748Re: Prime 21-tuplet

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  • Jaroslaw Wroblewski
    Oct 8, 2015
      We just got the second known large prime 21-tuplet:

      138433730977092118055599751669 + d,
      d = 0, 2, 8, 12, 14, 18, 24, 30, 32, 38, 42, 44, 50, 54, 60, 68, 72,
      74, 78, 80, 84
      (30 digits, October 8, 2015, Raanan Chermoni & Jaroslaw Wroblewski)

      It contains new record prime 19-tuplet, a new 20-tuplet and sets new
      records for 19 and 21 Largest Known Simultaneous Primes.

      We have also found 3 new prime 20-tuplets:

      140661282456312925227370009589 + d,
      140005104744811513908777956909 + d,
      131353007727172552185076031849 + d,
      d = 0, 2, 8, 12, 14, 18, 24, 30, 32, 38, 42, 44, 50, 54, 60, 68, 72, 74, 78, 80
      (30 digits, October 8, 2015, Raanan Chermoni & Jaroslaw Wroblewski)

      and the new record for 20 Largest Known Simultaneous Primes is set by
      the first one.

      Jarek
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