if n is a positive integer and n ^ 2 is divisible by 450 , then what is the largest positive integer that must divide n ?
"450 = 2 * 3 ^ 2 * 5 ^ 2 if 450 divides n ^ 2 , then n must be divisible by 2 * 3 * 5 = 30 the answer is c ."
multiply(sqrt(divide(450, 2)), 2)