Math
posted by Bryan on .
What is the least common multiple of set of numbers? 3,10,12,8

Start with the largest number  12
12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, 168, 180 . . .
Which of the above numbers is evenly divisible by 3, 10, and 8? 
120

3= 3
10 = 2*5
12 = 2*2*3
8 = 2*2*2
start with the longest string of prime factors : 2*2*2
now add on any other factors from the other strings that have not yet been put down
2*2*2*3*5 = 120