Puzzle of Chapter 6

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Across
  1. 2. LCM of 6,12 and 24
  2. 7. LCM of 8,24 and 40
  3. 8. LCM of 12,15 and 18
  4. 9. LCM of 8,16 and 100
  5. 10. LCM of 16,12 and 24
  6. 11. LCM of 18,27 and 15
  7. 13. LCM of 42,14 and 21
Down
  1. 1. LCM of 10,15 and 20
  2. 3. LCM of 5,15 and 35
  3. 4. LCM of 4,12 and 22
  4. 5. LCM of 15,25 and 50
  5. 6. LCM of 12,36 and 50
  6. 12. LCM of 32,48 and 12