What is the Greatest Common Factor of 2 and 18?

Greatest Common Factor of 2 and 18

Here we will first tell you what the Greatest Common Factor of 2 and 18 is and then show you how we found the Greatest Common Factor of 2 and 18.

The Greatest Common Factor of 2 and 18 is:

2

Step-by-step instructions for how to find the Greatest Common Factor of 2 and 18:

Step 1) We made a list of all the factors of 2 which are 1, 2.

Step 2) Then, we made a list of all the factors of 18 which are 1, 2, 3, 6, 9, 18.

Step 3) Finally, we compared the lists in Step 1 and Step 2 to find that the largest number they have in common is 2. That means that the Greatest Common Factor of 2 and 18 is 2.

Greatest Common Factor Calculator
Find the Greatest Common Factor (GCF) of other numbers:

What is the Greatest Common Factor of 2 and 19?
The answer to the Greatest Common Factor of 2 and 18 is not the only problem we solved. Go here for the next problem on our list.