An integer n is said to be square-free if the only perfect square that divides n is 1^2. How many positive odd integers greater than 1 and less than \(25\) are square-free?
3 , 5 , 7 , 11 , 13 , 15 , 17 , 19 , 21 , 23==10 square-free odd integers between 1 and 25
