This lesson consists of giving you the necessary "preliminaries" to do fractions. The tutor explains what are factors, divisors, prime and composite numbers, how to do prime factorization, GCFs, LCMs, multiples, and the rules of divisibility. He also explains how to use your graphing calculator to help you find the GCF, LCM and multiples.
Basic Math: Lesson 5 - Factors, Multiples & Divisibility by Luis Anthony Ast is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License.Permissions beyond the scope of this license may be available at http://videomathtutor.com/contact-me1.php.