The product Z of two prime numbers is between 16 and 40. If one of the prime numbers is greater than 2 but less than 6 and the other is greater than 12 but less than 30 then what is Z?  Select.
A) 21  B) 22  C) 28  D) 35  E) 39
The smallest possible product is 39 which is 3*13.   All other products are too big.   The answer is 39.
<result>E</result>
The product Z of two prime numbers is between 16 and 40. If one of the prime numbers is greater than 2 but less than 6 and the other is greater than 12 but less than 30 then what is Z?