the product z of two prime numbers is between 10 and 30 . if one of the prime numbers is greater than 2 but less than 6 and the other prime number is greater than 6 but less than 24 , then what is z ?
"the smallest possible product is 21 which is 3 * 7 . all other products are too big . the answer is a ."
multiply(subtract(10, const_4), const_3)