The factors of 65 are 1, 5, 13, 65.
1 and 13
The factors of 117 are: 1, 3, 9, 13, 39, 117.
1, 2, 13, 26
1, 3, 13, 39
1, 2, 4, 13, 26, 52
The list of factors of 50.
1 and 13. 13 is a prime, and the factors of all primes are one and themselves.
All non-zero numbers have factors. These can be written down in a list. That would be known as a list of factors.
1, 2, 13, 26
It is: 13
All the factors are 1, 3, 9.