In the example set of HCM LCM Can you explain the 1st question of unordered pairs how ab = 5*6*7*8...29 is written ab = 2^x * 3^y * 5^z....*29 ?? as there are 10 prime factors upto 29 and LCM (x,y) =29! anf HCF = 24 can someone explain this whole e.g. as why it has taken 2^10?