1 is a factor of 7.
The greatest perfect square is 36.
36
49
The only factor they have in common is: 1
1 is a factor of 7.
The GCF of 8x and 12x2 is 4x.
9 and 18 have a GCF of 9.
Join of park
121
Apart from 1, the only positive square factor of 40 is 4.
The greatest perfect square is 36.
64
81
36
36
25