+964 A positive integer is called terrific if it has exactly 5 positive divisors. What is the smallest terrific positive integer?
+1926 A terrific number must be a perfect square since it has an odd number of divisors.
It also has 1 set of divisors other than 1 and itself.
\(1,4,9\) all don't work since they only have 3 divisors.
However, \(16\) has exactly 5 factors. We have \(1,2,4,8,16\)
Thus, our answer is 16.
Thanks! :)
