GRE Arithmetic: Integers (Part 2 of 4)

This video tutorial covers the multiplication of integers, explaining how the sign of the numbers affects the product. It then delves into factors and multiples, illustrating how to identify them with examples. The tutorial also explains the concepts of the least common multiple (LCM) and greatest common factor (GCF), providing methods to calculate them for given integers. The video concludes with a preview of the next topic, division.

What is the significance of the number 0 in relation to multiples?

What is the greatest common factor (GCF) of two integers?

Provide an example of finding the GCF of two numbers.