Question

Find the LCM and HCF of the following integers by the prime factorization metho
AV (i) 12, 15 and 21 (ii) 17, 23, and 29 (iii) 8, 9 and 25
SAS ) 72 and 108 (v) 306 and 657​

Answer 1

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Answer 2

1) 12,15,21

12=2.2.3

15=3.5

21=3.7

HCF =3

LCM=520