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?  Select the correct option.
A) 21
B) 15
C) 14
D) 10
E) 6
The smallest possible product is 21 which is 3*7.   All other products are too big.   The answer is 21.
<result>A</result>
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?