HCF

HCF – Highest Common Factor

The HCF (Highest Common Factor) of two or more numbers is the greatest number that divides each of them exactly.
Example: HCF of 12 and 18 is 6 because 6 is the largest number that divides both 12 and 18 exactly.

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1. What is the HCF of 8 and 12?

2 4 6 8

2. What is the HCF of 15 and 25?

10 5 3 1

3. Find the HCF of 24 and 36.

12 18 6 8

4. The HCF of 9 and 27 is:

3 9 6 1

5. What is the HCF of 18 and 42?

3 6 9 12

6. HCF of 10, 20 and 30 is:

10 20 5 15

7. What is the HCF of 14 and 35?

7 14 5 2

8. HCF of 16 and 20 is:

4 2 8 6

9. What is the HCF of 11 and 13?

1 11 13 3

10. HCF of 100 and 80 is:

20 10 5 25