What Is a Factor? 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 ...

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 ...

Save guides, add subjects and pick up where you left off with your BBC account. To be able to find factors and write a number as a product of prime factors, having knowledge of powers and indices is ...