What is the Greatest Common Factor of 2 and 81?

Greatest Common Factor of 2 and 81

Here we will first tell you what the Greatest Common Factor of 2 and 81 is and then show you how we found the Greatest Common Factor of 2 and 81.

The Greatest Common Factor of 2 and 81 is:

1

Step-by-step instructions for how to find the Greatest Common Factor of 2 and 81:

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 81 which are 1, 3, 9, 27, 81.

Step 3) Finally, we compared the lists in Step 1 and Step 2 to find that the largest number they have in common is 1. That means that the Greatest Common Factor of 2 and 81 is 1.

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