Question

find the HCF and the LCM of the numbers 154,198 and 286​

Answer 1

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Let's Find out the HCF of 154, 198 and 286 first :)

• Prime factorisation of 154 = 2 × 7 × 11
• Prime Factorisation of 198 = 2 × 3 × 3 × 11
• Prime factorisation of 286 = 2 × 11 × 13

Product of common factors of 154, 198 and 286

= 2 × 11 = 22

So, H•C•F of 154, 198 and 286 is = 22

Hence Verified :)

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Now, Let's find the LCM of 154, 198 and 286

L•C•M of 154, 198 and 286

= Product of common Factors * Product of other factors

= 22 * 819 = 18,018

So, LCM of 154, 198 and 286 = 18,018

Hence Verified :)

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