LCM( 5184, 2592, 1728 ) = 5184
Step 1 : Write the given numbers in a horizontal line.
5184 | 2592 | 1728 |
Step 2 : Divide the given numbers by smallest prime number. In this example we can divide by 2.
(if any number is not divisible by 2, write it down unchanged)
2 | 5184 | 2592 | 1728 |
2592 | 1296 | 864 |
Step 3 : Continue dividing by prime numbers till we get 1 in all columns.
2 | 5184 | 2592 | 1728 |
2 | 2592 | 1296 | 864 |
2 | 1296 | 648 | 432 |
2 | 648 | 324 | 216 |
2 | 324 | 162 | 108 |
2 | 162 | 81 | 54 |
3 | 81 | 81 | 27 |
3 | 27 | 27 | 9 |
3 | 9 | 9 | 3 |
3 | 3 | 3 | 1 |
1 | 1 | 1 |
Step 4 : Multiply numbers in first column to get LCM.
LCM( 5184, 2592, 1728 ) = 2 · 2 · 2 · 2 · 2 · 2 · 3 · 3 · 3 · 3 = 5184 .
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.