Find the HCF of 126 and 144 by prime factorization method. – InterviewSolution

1.	Find the HCF of 126 and 144 by prime factorization method.
Answer» Correct Answer - 18 HCF of 126 and 144 : `{:(126=2xx63,144=2xx72),(=2xx3xx21,=2xx2xx36),(=2xx3xx3xx7,=2xx2xx2xx18),(=2^(1)xx3^(2)xx7,=2^(4)xx3^(2)):}` `:.` HCF (126,144)`=2xx3^(2)` `=18`

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