The largest number that can be used to divide two other. The greatest number that is a factor of two or more other numbers. Learn about greatest common factor using our free math solver with step-by-step solutions.
When two numbers have a greatest common factor of only 1 theyre called relatively prime.
Abbreviation for greatest common factor. This lesson reviews finding the prime factorization of a number and then using that skill to find the greatest common factor between two or three numbers. How to Find the Greatest Common Factor of Two or More Expressions Find the GCF of 54 and 36. The greatest common factor GCF of two or more expressions is the largest expression that is a factor of all the expressions.