The smallest value of m has to be determined for which n^2 = 756*m. It is being assumed that n and m have to take on integral values; if that is not the case, there is no limit to how small a value m can equal.

756 = 189*4 =...

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The smallest value of m has to be determined for which n^2 = 756*m. It is being assumed that n and m have to take on integral values; if that is not the case, there is no limit to how small a value m can equal.

756 = 189*4 = 9*4*21 = 3^2*2^2*7*3 = (3*2)^2*21

**For n^2 = 756*m, with the condition that n and m are integers, the smallest value of m is 21.**