Question

find the hcf of 72.108.180 by prime factorizationm​

Answer 1

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Answer 2

Answer

HCF = 36

Step-by-step explanation:

72 = 2 x 2 x 2 x 3 x 3

108 = 2 x 2 x 3 x 3 x 3

180 = 2 x 2 x 3 x 3 x 5

in this three numbers 2 and 3 occurs twice frequently

i.e,

   HCF =  2 x 2 x 3 x 3

            = 36.

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