In this lesson, you will learn how to find the greatest common factor of two whole numbers by listing factor pairs. Login gives access to a slideshow as well. [5:00]

This video lesson illustrates how to find the common factor of the polynomial before factorizing. [1:16]

This video walks you through the four main steps when multiplying fractions with whole numbers. Includes explanations, examples and practice problems. [1:00]

This video focuses on finding the square of a whole number and the square root of a perfect square. In order to do this, you will first learn how to do prime factorization, a method to find the prime factors of a number. [1:58]