if a is the smallest positive integer such that 5880 multiplied by a is the square of an integer , then ya must be
Choices
A) 30	B) 15	C) 12	D) 23	E) 17

Rationale: 5880 = 2 * 2 * 7 * 7 * 5 * 6 , so we need one 5 and one 6 to make it a square of a number . so 5 * 6 = 30 ans : a
Answer: A