1.

Using prime factorization method, find the HCF and LCM of 6, 72 and 120.

Answer»

6=2*3

72=2*2*2*3*3

120=2*2*2*3*5

common factors=2*3=6(HCF)

LCM=2*2*2*3*3*5=360(LCM)



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