Question

Find the HCF of 24,36and 42 by factorisation method

Answer 1

Explanation:

factors of 24 = {1, 2, 3, 4, 6,8,12, 24}

factors of 36 ={ 1,2,3,4,6,9,12 ,18,36}

factors of 42 ={ 1,2,3, 6,7, 14 , 21,42}

common factor = { 1,2 ,3 ,6}

HCF = 6