Across
- 2. (A number with more than 2 factors.)
- 5. (The number of prime numbers between 1 and 10.)
- 7. smallest two digit number.)
- 9. (The set of numbers that can be divided exactly into another number.)
- 10. (The fourth prime number.)
Down
- 1. (Not a prime number or a composite number.)
- 3. (The only even prime number.)
- 4. number which can only be divided exactly by itself and 1.)
- 6. the numbers in a multiplication table.)
- 8. multiple of eight.)