Find the HCF and LCM of the following pairs using prime factorisation method:
(i) 140 and 154 (ii) 504 and 735

Find the HCF and LCM of the following by prime factorisation method : (i) 12 and 15 (ii) 20 and 25 (iii) 28 and 42

Find the HCF and LCM of the following by prime factorisation method : (i) 12,18,24 (ii) 15,25,45

Find the HCF and LCM of the following by prime factorisation method : (i) 12,18,24 (ii) 15,25,45

Find the HCF and LCM of 6, 72 and 120, using the prime factorisation method.

Find the LCm and HCF of the following integers by the prime factorisation method. 84 and 108

Find the HCF and LCM of the following given pairs of numbers by prime factorisation method . 37,49

Find the HCF and LCM of the following given pairs of numbers by prime factorisation method . 37,49

Find the HCF and LCM of the following given pairs of numbers by prime factorisation method . 120,90

Find the HCF and LCM of the following given pairs of numbers by prime factorisation method . 37,49