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Highest Common Factor & Lowest Common Multiple (Year 7)

Free printable UK Year 7 (Key Stage 3) maths worksheet: find the highest common factor (HCF) and lowest common multiple (LCM) of 2 numbers.

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Grade 6 · Math worksheet
Name
Date
Math

Highest Common Factor & Lowest Common Multiple

Find the HCF and LCM of each pair of numbers, and list common factors directly.

  1. 1.
    Find the highest common factor (HCF) and lowest common multiple (LCM) of 55 and 60.
  2. 2.
    Find the highest common factor (HCF) and lowest common multiple (LCM) of 13 and 55.
  3. 3.
    Find the highest common factor (HCF) and lowest common multiple (LCM) of 39 and 16.
  4. 4.
    Find the highest common factor (HCF) and lowest common multiple (LCM) of 41 and 7.
  5. 5.
    Find the highest common factor (HCF) and lowest common multiple (LCM) of 22 and 39.
  6. 6.
    Find the highest common factor (HCF) and lowest common multiple (LCM) of 55 and 45.
  7. 7.
    List all the common factors of 14 and 19.
  8. 8.
    List all the common factors of 20 and 35.
  9. 9.
    List all the common factors of 19 and 25.
  10. 10.
    List all the common factors of 23 and 16.
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