Question 1028751
What is the smallest number 1323 must be divided by to make it a perfect square ?
<pre>PRIME factors of 1,323: 3 * 3 * 3 * 7 * 7. Take away one 3 and you're left with 2 3s and 2 7s.
How do you get rid of the 3? {{{highlight_green(matrix(1,3, Divide, by, 3))}}}.
You then get: {{{matrix(1,6, "1,323"/3 = 441, which, is, a, perfect, square)}}}