Question

Find the LCM and HCF of the following integers by applying the prime factorisation method.

(i) 12, 15 and 21

(ii) 17, 23 and 29

(iii) 8, 9 and 25​

Answer 1

Answer:

(I) LCM= 420 , hcf= 3

(ii) LCM=8211, Hcf= 1

(iii) LCM= 1800, HCF=1

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Answer 2

Answer:

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