Which of them is not a composite number

- Which is not a composite number
- Which even is not a composite number
- Which of these is not a composite number
- Which is not a composite number 2 4 6 8
- Which of the following is not a composite number
- Which of the following is not a composite number 4 9 1
- Which of the following is not a composite number 4 6 9 13
- Which of the following is not a composite number 27 28 or 29
- Which one is not a composite number
- Composition of function
- Which of the following is a composite number
- Which of the following numbers are not composite