Some question: Find the smallest number which should be multiplied with 520 to make it a perfect square.\nOptions:\n(A) 30\n(B) 120\n(C) 55\n(D) 35\n(E) None of these
Some stream of consciousness:
User
520 = 26 * 20 = 2 * 13 * 22 * 5 = 23 * 13 * 5\nRequired smallest number = 2 * 13 * 5 = 130\n130 is the smallest number which should be multiplied with 520 to make it a perfect squar The answer: (E).
Assistant