Question

Find the HCF of 210 and 308.

Answer 1

Answer:

The HCF of 210 and 308 is 14

Answer 2

The HCF of 210 and 308 is 14

Given : The numbers 210 and 308

To find : The HCF

Tip :

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 210 and 308

Step 2 of 3 :

Prime factorise the given numbers

210 = 2 × 3 × 5 × 7

308 = 2 × 2 × 7 × 11

Step 3 of 3 :

Find the HCF

We know that for two given numbers HCF is the greatest number that divides each of the numbers

Hence the required HCF

= 2 × 7

= 14

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