Across
- 1. largest 1 digit composite number
- 3. smallest 2 digit composite number
- 5. neither prime nor composite
- 6. successor of 7
- 9. smallest composite number
Down
- 2. divisible by 2
- 4. smallest 2 digit prime number
- 5. not divisible by 2
- 7. smallest prime number
- 8. smallest odd prime number
- 9. predecessor of 6