Sieve method

Sieve method, or the method of sieves, can mean:
 * in mathematics and computer science, the sieve of Eratosthenes, a simple method for finding prime numbers
 * in number theory, any of a variety of methods studied in sieve theory
 * in combinatorics, the set of methods dealt with in sieve theory or more specifically, the inclusion–exclusion principle
 * in statistics, and particularly econometrics, the use of sieve estimators