Question 307084
If p is divisible by 3 and q is divisible by 4, then the product of these numbers must have factors of 3 and 4, which includes any number that is a factor of 12.  The only number from your multiple choice options that is NOT a factor of 12 is 9, which is D.


Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus