The largest factor of any positive number is the number itself.
36 is the largest factor of 36,
1, 31
1, 29
They are: 2 and 11
2, 5, 10, 25
1, 2, 11 and 22
1, 3, 7, and 21 are.
1, 3, 11, 33.
1, 7, 13, 91.
36
1, 2, 4, 8, 16.
Its prime factors are 2 and 3