Use the information in parts (i)–(iii) to answer each requirement.
a. (i) Write the prime factorisation of 360.
b. (ii) Write the prime factorisation of 210.
c. (iii) Using the results of (i) and (ii), determine their HCF and LCM, and verify that HCF(360,210)×LCM(360,210)=360×210."