Which number is not a factor of 30

- Which is not a factor of 30
- Which number is not a prime factor of 30
- Which choice is not a factor of 30
- Which of the following number is not a prime factor of 30
- Which is not a factor pair of 300
- Which of 12345 is not a factor of 30
- Which number is a factor of 30 but not a multiple of 3
- Which number is a factor of 30 but not a multiple of 2
- What is the number
- Finding factors of a number
- Which number is a factor of 30
- 309 number