What is the Greatest Common Factor of 2 and 42?

Greatest Common Factor of 2 and 42

Here we will first tell you what the Greatest Common Factor of 2 and 42 is and then show you how we found the Greatest Common Factor of 2 and 42.

The Greatest Common Factor of 2 and 42 is:

2

Step-by-step instructions for how to find the Greatest Common Factor of 2 and 42:

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 42 which are 1, 2, 3, 6, 7, 14, 21, 42.

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 42 is 2.

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

What is the Greatest Common Factor of 2 and 43?
The answer to the Greatest Common Factor of 2 and 42 is not the only problem we solved. Go here for the next problem on our list.