Question

find the LCM and HCF of 12 ,15and21 by the prime factorization method.​

Answer 1

Answer:

3 is HCF and LCM is 420

Step-by-step explanation:

as you can understand that the highest common factor of 12 15 and 21 is 3

and the LCM of 15 12 and 21 is 420

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