The greatest common factor of 16 and the positive integer n is 4, and the greatest common factor of ...
The greatest common factor of 16 and the positive integer n is 4, and the greatest common factor of n and 45 is 3. Which of the following could be the greatest common factor of n and 120?
Answer/Solution
30
Steps/Work
Greatest common factor n and 16 is 4 = 2*2 * 2*2
Greatest common factor n and 45 is 3 = 3*3 *5
Greatest common factor n and 120 is = 2*3*5 =30
Answer: D.
Greatest common factor n and 45 is 3 = 3*3 *5
Greatest common factor n and 120 is = 2*3*5 =30
Answer: D.