Common factor of 111 and 37?

Answer 1

The factors of 111 are: 1, 3, 37 and 111.

The factors of 37 are: 1, and 37.

The common factors of 111 and 37 are: 1, and 37.

The greatest common common factor of 111 and 37 is: 37.

Answer 2

Since 37 is a factor of 111, all of its factors are common.