Question

what is the hcf of 168 and 196

Answer 1

Answer:

28

Step-by-step explanation:

Answer 2

HCF of 168 and 196 = 28

Given :

The numbers 168 and 196

To find :

HCF of 168 and 196

Concept :

HCF :

For the given two or more numbers HCF is the greatest number that divides each of the numbers

Solution :

Step 1 of 3 :

Write down the given numbers

The given numbers are 168 and 196

Step 2 of 3 :

Prime factorise the given numbers

168 = 2 × 2 × 2 × 3 × 7

196 = 2 × 2 × 7 × 7

Step 3 of 3 :

Find HCF of 168 and 196

HCF of 168 and 196

= 2 × 2 × 7

= 28

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