Is a composite number yes or no
- Is 15 a composite number yes or no
- Is 4 a composite number yes or no
- Is 12 a composite number yes or no
- Is 21 a composite number yes or no
- Is 9 a composite number yes or no
- Is 19 a composite number yes or no
- Is 13 a composite number yes or no
- Is 2 a composite number yes or no
- Is 17 a composite number yes or no
- Is 6 a composite number yes or no
- Is 27 a composite number yes or no
- Is 23 a composite number yes or no
- Is 14 a composite number yes or no
- Is 11 a composite number yes or no
- 1 is a composite number yes or no