Question

here are the factors of 12 and 42.
12 : 1, 2, 3, 4, 6, 12
42 : 1, 2, 3, 6, 7, 14, 21, 42
what is the greatest common factor?

Explanation:

Step1: Identify common factors

List the factors common to both 12 and 42. From the given factors, common factors are 1, 2, 3, 6.

Step2: Find the greatest common factor

Among 1, 2, 3, 6, the greatest one is 6.

Answer:

6