Question

Find the hcf and lcm of 12,45and81 by prime factorization

Answer 1

Answer:

12=2*2*3

45=3*3*5

81=3*3*3*3

LCM=2*2*3*3*3*3*5

LCM = 1620

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Answer 2

Step-by-step explanation:

LCM=1620

HCF=3

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