If the integer n has exactly five positive divisors, including 1 and n, how many positive divisors does √n have?
Pick.
A) 6 B) 5 C) 2 D) 3 E) 4
take the example of 16...   it has 3 positive divisors (1,2,4,8,16)   Now, take the example of 4...   it has only 3 divisors..   so 3 is the ans
<result>D</result>
If the integer n has exactly five positive divisors, including 1 and n, how many positive divisors does √n have?