If y is the smallest positive integer such that 6300 multiplied by y is the square of an integer, then y must be
Choose the correct choice from the following answers
A) 5 B) 7 C) 15 D) 35 E) 45
6300 = 2^2*3^2*5^2*7   To be perfect square, we need to multiply by at least 7.   The answer is 7.
<result>B</result>
If y is the smallest positive integer such that 6300 multiplied by y is the square of an integer, then y must be