Which number is not a multiple of 7

- What is not multiple of 7
- Which number is not a common multiple of 7 and 2
- Which of the following number is not a multiple of 7
- Which number is a factor of 21 but not a multiple of 7
- Which number is a factor of 14 but not a multiple of 7
- Which number is a factor of 35 but not a multiple of 7
- Which number is a factor of 72 but not a multiple of 4
- Which number is a multiple of 7
- What is the number
- Not number 7 number 1