Pop the prime numbers — skip the composites

Exercise and reference answers

Other terms

1. 1
2. 4
3. 6
4. 8
5. 9
6. 10
7. 12
8. 15

Matching terms

1. 2
2. 3
3. 5
4. 7
5. 11
6. 13
7. 17
8. 19