Find the HCF and LCM of 6, 72 and 120, using the prime factorisation method. 72 and 120 Find the HCF and LCM of 6 using the prime factorisation method. October 3, 2020 Category: Chapter 1 - Real Numbers , Exercise 7.1 , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related