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Re: [PrimeNumbers] Re: Primes from permutation of prime digits

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  • Maximilian Hasler
    ... yes: zak(10123457689) %1 = 2808500 2808500/2 (symmetry factor for exchange of the two 1 s) %2 = 1404250 Maximilian
    Message 1 of 7 , Feb 15, 2009
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      > Thereafter, 11-digit primes become somewhat memory-intensive,
      > in my simple-minded implementation, using GP's "vecsort".
      >
      > Might Zak and/or Maximilian confirm that
      > zak(10123457689) = 1404250
      > without duplication of primes, but allowing Zak's leading zeros ?

      yes:
      zak(10123457689)
      %1 = 2808500
      2808500/2 \\ (symmetry factor for exchange of the two 1's)
      %2 = 1404250

      Maximilian
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