Find the LCM and HCF of the following integers by applying the prime factorization method .
(i) 12, 15 and 21 12 = 2 x 3 15 = 3 x 5 21 = 3 x 7 HCF = 3 LCM = 2 x 3 x 5 x 7 = 42O...
Tagged: check whether 6n can end with the digit 0 for any natural number n.
