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Twin Primes, leading 1's and 7's

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  • Milton Brown
    There are many more twin primes with leading 10... than 70... The first zeros allow the number to be treated as a smaller number for divisibility reduction
    Message 1 of 1 , May 30, 2005
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      There are many more twin primes with leading 10... than 70...

      The first zeros allow the number to be treated
      as a smaller number for divisibility reduction formulas.

      Here is a comparison:
      (first of each twin pair is listed)

      101, 107-----------------------------------------------------7xx none

      1019, 1031, 1049, 1061, 1091------------------------70xx none

      10007, 10037, 10067, 10091-------------------------70001 one

      100151, 100361, 100391, 100517, 100799------
      700079, 700127, 700199, 700277, 700361, 700391, 700571

      1000037, 1000211, 1000289, 1000427, 1000577,
      1000619, 1000667, 1000721, 1000847, 1000859, 1000919
      1001087, ...

      7000127, 7000517, 7000661,
      7001087, ...

      Milton L. Brown

      [Non-text portions of this message have been removed]
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