*)1
2)2
2)4
2)8
2)16
2)32
The prime factorization of 32 is 2 x 2 x 2 x 2 x 2.
Prime factorization of 32 is 2x2x2x2x2 (or 25).
The prime factorization of 32 is 2x2x2x2x2, or 25 in exponential form.
25
The greatest prime factor they have in common is 2.
25 = 32