Finding suitable curves for the elliptic curve method of factorization

Author:

Atkin A. O. L.,Morain F.

Abstract

Using the parametrizations of Kubert, we show how to produce infinite families of elliptic curves which have prescribed nontrivial torsion over Q and rank at least one. These curves can be used to speed up the ECM factorization algorithm of Lenstra. We also briefly discuss curves with complex multiplication in this context.

Publisher

American Mathematical Society (AMS)

Subject

Applied Mathematics,Computational Mathematics,Algebra and Number Theory

Reference11 articles.

1. Elliptic curves and primality proving;Atkin, A. O. L.;Math. Comp.,1993

2. Contemporary Mathematics;Brillhart, John,1988

3. The University Series in Mathematics;Chahal, J. S.,1988

4. Universal bounds on the torsion of elliptic curves;Kubert, Daniel Sion;Proc. London Math. Soc. (3),1976

5. Factoring integers with elliptic curves;Lenstra, H. W., Jr.;Ann. of Math. (2),1987

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