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Integer Values of a Function

  1. Jun 4, 2007 #1
    Is there a quick way to find integer values of x that give integer values for y?

    (x^2-R)/(P-2x)=y

    sqrt(R) rounded down<x<P/2

    an equivalent equation is

    x^2+Px+R=y y= a perfect square

    sqrt(x^2+Px+R)= integer

    P and R are integer values. They are very large.
    P=1.720901664588208977632751606930114527882871349707453690712637328347852193783039275682367157744911327176901e+106

    R=1.611966555644167779663503662738501807226651661942209780569274299995114404468640924608971613224013135298666e+105

    Maybe a generalized equation or a program?
     
  2. jcsd
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