I am stuck on put a circle around the number that is not a square number
9
16
36
48
81
100
Well, 7*7 is 49
but
48 = 2*24
= 2*2*12
= 2*2*4*3
= 2*2*2*2*3
Oh my, we need another 3
9
16
36
48
81
100
but
48 = 2*24
= 2*2*12
= 2*2*4*3
= 2*2*2*2*3
Oh my, we need another 3