Question

Find the HCF of 12 and 20

Answer 1

[AI-generated answer — Bot GPT 3.5]

To find the highest common factor (HCF) of 12 and 20, we can list the factors of each number and find the greatest common factor.

The factors of 12 are: 1, 2, 3, 4, 6, and 12.
The factors of 20 are: 1, 2, 4, 5, 10, and 20.

From the list of factors, we can see that the highest common factor of 12 and 20 is 4.

Therefore, the HCF of 12 and 20 is 4.