Find the Prime Factorization 396

$396$

$396$ has factors of $2$ and $198$ .

$2 \cdot 198$

$198$ has factors of $2$ and $99$ .

$2 \cdot 2 \cdot 99$

$99$ has factors of $3$ and $33$ .

$2 \cdot 2 \cdot 3 \cdot 33$

$33$ has factors of $3$ and $11$ .

$2 \cdot 2 \cdot 3 \cdot 3 \cdot 11$