Greatest Common Factor
 

 

Greatest Common Factor

The number that is the largest of the common factors.

 

 

Greatest Common Factor

The number that is the largest of the common factors.

 

2 is common factor of

36
 2 x 18
12
2 x 6
 
 

  4 is a common factor of

36
4 x 9  
12
4 x 3  

 

  6 is a common factor of

36
6 x 6
12
6 x 2 
 

  12 is a common factor of  

36
12 x 3

12
12 x  1

12 is the largest common factor of the numbers:

      36 and 12

 

 

Check Your Understanding

Test your ability to identify a greatest common factor:

  1. Look at the two numbers.
  2. Think of a number you believe is the greatest common factor of the two numbers.
  3. Click the button "Check" to see the greatest common factor.
  4. Click "Next" to see the next problem.
Number 1:    Number 2:      
Answer: