Posted by Meghan on .
If a number has an odd number of factors, why can the number always be represented by the expression n2?

5th grade Math 
bobpursley,
IT cant.
If I understand you , if a number say 105, which has an odd number of factors, 3*5*7, it should be a perfect square of some number n. Well, 105 is not a prefect square. 
5th grade Math 
Karen,
Guy