In mathematics, a factor is a number that can be divided into another number without a remainder. You'll most often encounter factors in the following way: You'll receive a number (from your teacher, ...

Refresh your knowledge with these guides on factor trees and writing numbers as a product of prime factors. List the factors of each number. Compare the lists to find the greatest number common to ...

There are many methods to find the prime factors of a number, but one of the most common is to use a prime factor tree. Firstly, find two numbers that will multiply together to give 40. These are ...