What is the common factor of 12 and 87?
To find the common factors of two numbers, you can list the factors of each number separately and then identify the numbers that appear on both lists.
First, let's find the factors of 12:
The factors of 12 are 1, 2, 3, 4, 6, and 12.
Next, let's find the factors of 87:
The factors of 87 are 1, 3, 29, and 87.
Now, let's identify the common factors between 12 and 87:
The common factor of 12 and 87 is 3.
So, the common factor of 12 and 87 is 3.