For each of the following numbers write down the number's prime factors as a comma-separated list (so, "5" or "2,3" for 25 and 12 respectively, but without the quotes).

The prime factors of 36 are
The prime factors of 66 are
The prime factors of 35 are
The prime factors of 83 are
The prime factors of 97 are
The prime factors of 63 are
The prime factors of 37 are
The prime factors of 78 are
The prime factors of 53 are