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Re: qfbsolve

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  • djbroadhurst
    ... Exercise: Find two pairs of positive integers (x,y) such that 5*x^2 + 5*x*y + y^2 = (137^137 + 1992)*(137^137 + 3464) Comment: This exercise may solved in
    Message 1 of 5 , Oct 2, 2010
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      --- In primenumbers@yahoogroups.com,
      "djbroadhurst" <d.broadhurst@...> wrote:

      > The Cornacchia-Smith algorithm is given by Henri Cohen
      > as CCANT 1.5.2 and by also by Crandall and Pomerance 2.3.12.

      Exercise: Find two pairs of positive integers (x,y) such that
      5*x^2 + 5*x*y + y^2 = (137^137 + 1992)*(137^137 + 3464)

      Comment: This exercise may solved in 10 milliseconds.

      David
    • Aldrich
      ... Looks like a special case, a put-up job as the posties say. quibble, quibble. a.
      Message 2 of 5 , Oct 5, 2010
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        --- In primenumbers@yahoogroups.com, "djbroadhurst" <d.broadhurst@...> wrote:
        >
        >
        >
        > --- In primenumbers@yahoogroups.com,
        > "djbroadhurst" <d.broadhurst@> wrote:
        >
        > > The Cornacchia-Smith algorithm is given by Henri Cohen
        > > as CCANT 1.5.2 and by also by Crandall and Pomerance 2.3.12.
        >
        > Exercise: Find two pairs of positive integers (x,y) such that
        > 5*x^2 + 5*x*y + y^2 = (137^137 + 1992)*(137^137 + 3464)
        >
        > Comment: This exercise may solved in 10 milliseconds.
        >
        > David
        >

        Looks like a special case, a put-up job as the posties
        say. quibble, quibble.

        a.
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