if n is a positive integer and n ^ 2 is divisible by 50 , then what is the largest positive integer that must divide n ?
"50 = 2 * 5 ^ 2 if 50 divides n ^ 2 , then n must be divisible by 2 * 5 = 10 the answer is c ."
multiply(sqrt(divide(50, 2)), 2)