What is the GCF of 32 and16?

Answer 1

To find the gcf of 32 and 16 you first need to split them into their prime factors:

32 = 2x2x2x2x2

16 = 2x2x2x2

The next step is to identify any common prime factors. In this case both numbers have four 2s as prime factors, so we can multiply them together:

2x2x2x2 = 16

And so the GCF of 32 and 16 is 16.