If y is the smallest positive integer such that 31,360 multiplied by y is the square of an integer, then y must be	Choose the correct choice from the following answers:  A) 21  B) 10  C) 61  D) 72  E) 14
31360= 8*8*7*7* 5*2= 
<gadget id="calculator"> 5*2</gadget>
<output>10</output>
10   Ans: 10
<result>B</result>
If y is the smallest positive integer such that 31,360 multiplied by y is the square of an integer, then y must be