Prime and Composite numbers

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123456789101112131415161718
Across
  1. 4. The prime number after 29
  2. 8. A prime number before the final prime number
  3. 11. The prime number before 61 but after 53
  4. 12. The prime number after 67
  5. 15. A number other than a prime a number
  6. 17. The prime number between 20 - 25
  7. 18. The eighth prime number
Down
  1. 1. Numbers multiplied together to get another number
  2. 2. The prime number between 62 -70
  3. 3. First odd prime number
  4. 4. First prime number
  5. 5. The last prime number
  6. 6. The number between the 3rd and 4th prime number
  7. 7. The prime number between 71 and 79
  8. 9. A number divided by 1 and itself
  9. 10. The sixth Prime number
  10. 13. The number of prime numbers before 10
  11. 14. The first prime number in the forties
  12. 16. The sum of the first three prime numbers