LCM( 178, 1376 ) = 122464
Step 1 : Write the given numbers in a horizontal line.
178 | 1376 |
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 | 178 | 1376 |
89 | 688 |
Step 3 : Continue dividing by prime numbers till we get 1 in all columns.
2 | 178 | 1376 |
2 | 89 | 688 |
2 | 89 | 344 |
2 | 89 | 172 |
2 | 89 | 86 |
43 | 89 | 43 |
89 | 89 | 1 |
1 | 1 |
Step 4 : Multiply numbers in first column to get LCM.
LCM( 178, 1376 ) = 2 · 2 · 2 · 2 · 2 · 43 · 89 = 122464 .
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.