Prime factorization of $$$7$$$

Find the prime factorization of $$$7$$$.

The prime number $$${\color{green}7}$$$ has no other factors then $$$1$$$ and $$${\color{green}7}$$$: $$$\frac{7}{7} = {\color{red}1}$$$.

The prime factorization is $$$7 = 7$$$A.