Find the prime factorisation of the following number: $315$

Find the prime factorization of the following number:

$360$

The prime factorisation of two numbers are:

$2\times 3\times 3\times 7\times 7\times 7\times 13$ and $3\times 7\times 7\times 13\times 13\times 13\times 17$.

Write down three common factors of the numbers.