comment I am about to tell you how. Write this down. prompt Try this one in your study guide. reminder Look for any factors in common to these two factorizations. 150 150 300 80 22 25 0 7 20 attention Wow! That was super easy! What is 60 as a product of primes? 2 x 2 x 3 x 5 2 x 3 x 3 x 5 2 x 3 x 5 2 x 2 x 3 x 5 Are there any other numbers common to all three factorizations? yes no yes What is the greatest common factor of these three numbers? 12