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Least common multiple of two numbers to 12

Year 6 maths · Fieldbook Learning

Name ______________________ Date __________

Find the smallest number that both numbers divide into evenly. Counting up in multiples helps.

  1. What is the smallest number that is a multiple of both 3 and 5?
  2. Find the least common multiple of 4 and 5.
  3. Find the least common multiple of 4 and 3.
  4. What is the LCM of 2 and 6?
  5. What is the smallest number that is a multiple of both 4 and 3?
  6. Find the least common multiple of 6 and 4.
  7. Find the least common multiple of 4 and 2.
  8. What is the LCM of 4 and 6?
  9. What is the LCM of 6 and 2?
  10. What is the LCM of 5 and 7?
  11. What is the LCM of 1 and 8?
  12. Find the least common multiple of 7 and 6.
  13. Find the least common multiple of 10 and 1.
  14. Find the least common multiple of 5 and 2.
  15. What is the smallest number that is a multiple of both 5 and 4?
  16. What is the smallest number that is a multiple of both 2 and 11?
  17. Find the least common multiple of 5 and 7.
  18. What is the LCM of 3 and 10?
  19. Find the least common multiple of 10 and 9.
  20. What is the smallest number that is a multiple of both 10 and 11?
More free practice: fieldbooklearning.com/au/practice/year-6/least-common-multiple-of-two-numbers-to-12/

Play it as a quiz game

20 of these questions as multiple choice, with near-miss wrong answers, ready for Kahoot or Blooket.

  1. Download the game's own question template: in Kahoot, Add question → Import spreadsheet; in Blooket, Create a set → Spreadsheet import.
  2. Click the matching button below, then click the first empty question row of the template and paste.
  3. Save the template (Kahoot needs .xlsx, Blooket .csv) and upload it.
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Answer key: Least common multiple of two numbers to 12

  1. 15
  2. 20
  3. 12
  4. 6
  5. 12
  6. 12
  7. 4
  8. 12
  9. 6
  10. 35
  11. 8
  12. 42
  13. 10
  14. 10
  15. 20
  16. 22
  17. 35
  18. 30
  19. 90
  20. 110