What is the least common multiple of 12, 18, and 5?
1 Answer
May 2, 2016
Explanation:
Start by finding the prime factorisations of each of these numbers:
12 = 2 xx 2 xx 3
18 = 2 xx 3 xx 3
5 = 5
So the smallest positive integer that includes all of these factors in these multiplicities is:
180 = 2 xx 2 xx 3 xx 3 xx 5
