Count the number of times each prime number appears in each of the factorizations.For each prime number, take the largest of these counts.Write down that prime number as many times as you counted for it in step #2.The least common denominator is the product of all the prime numbers written down. example
5,6,15
5=5,10,15,20,25,30,35,40,45,50
6=6,12,18,24,30,36,42,48,54,60
15=15,30,45,60,75,90,105,120,135,150
LCD of 5,6,15 is 30
