There cannot be a common factor of just one number. To be common there need to be at least two numbers.
The factors of 22 are 1, 2, 11 and 22. For them to be common, they need to be compared to another set of factors.
The factors of 22 are 1, 2, 11, 22. For them to be common, they need to be compared to another set of factors.
The common factors of 22 and 42 are: 1 and 2
The common factors of 22 and 121 are 1 and 11
The common factors of 14 and 22 are 1 and 2
The common factors of 20 and 22 are 1, 2.
Common factors of 54 and 22 are: 1 and 2.
Common factors of 22 and 44 are: 1, 2, 11, and 22.
The only factor 22 and 27 have in common is 1.
The factors of 22 are: 1, 2, 11, 22
15 and 22 share no common factors aside from 1.
21 and 22 share no common factors aside from 1.