Find GCD(22⋅31,21⋅51)\text{GCD}(2^{2} \cdot 3^{1}, 2^{1} \cdot 5^{1})GCD(22⋅31,21⋅51).
22⋅322^2 \cdot 3^222⋅32
2⋅3⋅52 \cdot 3 \cdot 52⋅3⋅5
212^{1}21
111