is a fundamental discriminant if is a Positive Integer which is not Divisible by any square of an Odd Prime and which satisfies or .

**References**

Atkin, A. O. L. and Morain, F. ``Elliptic Curves and Primality Proving.'' *Math. Comput.* **61**, 29-68, 1993.

Borwein, J. M. and Borwein, P. B. *Pi & the AGM: A Study in Analytic Number Theory and Computational Complexity.*
New York: Wiley, p. 294, 1987.

Cohn, H. *Advanced Number Theory.* New York: Dover, 1980.

Dickson, L. E. *History of the Theory of Numbers, Vols. 1-3.* New York: Chelsea, 1952.

© 1996-9

1999-05-26