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24869Re: [PrimeNumbers] RE: Is the twin prime constant irrational?

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  • Jack Brennen
    Feb 13, 2013
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      What is the product over all of the primes p of:

      (p^2+1)/(p^2-1) ?

      That's a constant that requires EVERY prime in order
      to calculate it.

      It turns out to be 5/2. Which is not irrational.



      On 2/13/2013 9:15 AM, Kermit Rose wrote:
      > I expected the twin prime constant to be irrational
      > because I expected that any constant
      > that requires EVERY prime in order to calculate it,
      >
      > would necessarily be irrational.
      >
      > Kermit Rose
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