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Find the LCM and HCF of 12, 15 and 21 by the prime factorization method.

Posted by Vishnupriya Ravi 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Diksha Dangi 5 years, 2 months ago

Given : 12, 15 , 21 Prime factor of 12 : 2*2*3 Prime factor of 15 : 3*5 Prime factor of 21 : 3*7 HCF of 12, 15 ,21 : 3 LCM of 12 , 15 , 21 : 420

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CBSE > Class 10 > Mathematics