Using prime factorization, find gcd(23⋅3⋅5, 2⋅32⋅7)\gcd(2^3 \cdot 3 \cdot 5, \, 2 \cdot 3^2 \cdot 7)gcd(23⋅3⋅5,2⋅32⋅7).
42
6
2
3