Emma says the GCF of 16 and 12 is 48. Her friend Grace says the answer is 4. Who is right? Explain.
Grace is correct because emma is found the LCM (least common multiple)
Grace is correct. The greatest common FACTOR of 16 and 12 is 4.
Emma gave the correct answer to a different question. 48 is the least
common MULTIPLE of 16 and 12, not their greatest common factor.