math.com
Home    |    Teacher    |    Parents    |    Glossary    |    About Us
Homework Help Practice Ask An Expert Calculators & Tools Games Store
© 2000-2005 Math.com. All rights reserved.     Please read our Privacy Policy.
The greatest common factor, or GCF, is the greatest factor that divides two numbers. To find the GCF of two numbers:
  1. List the prime factors of each number.
  2. Multiply those factors both numbers have in common. If there are no common prime factors, the GCF is 1.

   Homework Help | Pre-Algebra | Factoring Email this page to a friend Email this page to a friend
Search
Custom Search



Math Jobs



 ·  Factors and
    multiples

 ·  Greatest
    Common Factor (GCF)

 ·  Least Common
    Multiple (LCM)


First Glance In Depth Examples Workout
First Glance   In Depth   Examples   Workout

Greatest common factor (GCF)