Multiple choice Find the L.C.M. of 49, 119 and 147. 7 49 357 2499 Reveal answer Fill a bubble to check yourself D Correct answer Explanation The prime factorisation of 49 = 72 1 $\times$ 171 The prime factorisation of 147 = 31 $\times$ 72 L.C.M = Product of the greatest powers of each prime factor involved in the numbers. = 72 $\times$ 17 $\times$ 3 = 2499