LCM( 45, 66 ) = 990
Step 1 : Place the numbers inside division bar:
45 | 66 |
Step 2 : Find a prime number which divides both numbers.
In this example we can divide by 3. If any number is not divisible by 3 write it down unchanged.
3 | 45 | 66 |
15 | 22 |
Step 4 : LCM is a product of numbers into L shape.
3 | 45 | 66 |
15 | 22 |
LCM = 3 · 15 · 22 = 990
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.