What is the common factor of 34 and 85

- What is the greatest common factor of 34 and 85
- What is the highest common factor of 34 and 85
- What is the greatest common factor of 34 85 and 51
- What is the greatest common factor of 34 85 and 68
- What is the greatest common factor between 34 and 85
- What is the factor of 3
- Which of the following is a factor of