Year 5 grade 4 unit 8 FACTORS & MULTIPLES

Unit 8 Lesson 4: Exercise 2

Find the H.C.F. of these sets of numbers using factor tree.

  1. 48 and 60
  2. 12 and 20
  3. 42 and 48
  4. 24 and 32
  5. 64 and 40
  6. 72 and 90
  7. 49 and 21
  8. 28 and 42
  9. 45 and 72
  10. 56 and 76
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