What is the greatest common factor of 34 and 51

- What is the greatest common factor of 34 51 and 85
- What is the greatest common factor of 34 51 and 68
- What is the greatest common factor of 34 51 and 102
- What is the greatest common factor of 34 51 and 17
- What is the greatest common factor between 34 and 51
- Which of the following is a factor of
- Which of the following is the greatest common factor of the terms 48s^5t^3u^2