Question

Find the hcf of 20and 28 step by step​

Answer 1

Answer:

HCF  4

Step by Step Explanation:

Given that we have to find out HCF of 20 and 28

Let us find the factors of 20 and 28 and then find out the HCF of both numbers

The factors of 20 = 1, 2, 4, 5, 10, 20

The factors of 28 = 1, 2, 4, 7, 14, 28

On observing the factors list of 20 and 28, we can see clearly that 1, 2, 4 are common in both the list

Therefore common factors of 20 and 28 are 1, 2 , 4

Then we will take the greatest number from the common factors and 4 will come as the HCF

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