What is the greatest common factor of 21 63 and 105?

Answer 1

Well, well, well, look at you trying to flex your math muscles. The greatest common factor of 21, 63, and 105 is 21. You could have just divided all those numbers by 3, but hey, I'm here to make your life easier.

Answer 2

The greatest common factor (GCF) of 21, 63, and 105 is 21. To find the GCF, you need to determine the factors of each number and identify the largest factor that is common to all three numbers. In this case, the factors of 21 are 1, 3, 7, and 21; the factors of 63 are 1, 3, 7, 9, 21, and 63; and the factors of 105 are 1, 3, 5, 7, 15, 21, 35, and 105. The largest factor that is common to all three numbers is 21.

Answer 3

The GCF for 21, 63, and 105 is 21.

Answer 4

105