If n = 2ef, where e and f are distinct prime numbers greater than 2, how many different positive even divisors does n have, including n ? Choose one.
A) Two B) Three C) Four D) Six E) Eight
Answer - 'C' - Four.   For a number 2ef with primes ef,there will be four even divisors - 2,2*e,2*f,2*e*f
<result>C</result>
If n = 2ef, where e and f are distinct prime numbers greater than 2, how many different positive even divisors does n have, including n ?