Find the LCM of these number using prime factorisation of 8,10,16
Find the LCM of 12, 15 and 18 using prime factorisation method.
Find the HCF and LCM of 6, 72 and 120 using the prime factorisation method. [3 MARKS]
Using prime factorisation, find the HCF and LCM of :
(i) 36, 84 (ii) 23, 31 (iii) 96, 404
(iv) 144, 198 (v) 396, 1080 (vi) 1152, 1664
In each case, verify that:
HCF× LCM = product of given numbers.