Question
Find Least Common Multiple of 54498 and 1758 using division method..
Answer
LCM( 54498, 1758 ) = 54498
Explanation
Step 1 : Write the given numbers in a horizontal line.
| 54498 | 1758 |
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 | 54498 | 1758 |
| 27249 | 879 |
Step 3 : Continue dividing by prime numbers till we get 1 in all columns.
| 2 | 54498 | 1758 |
| 3 | 27249 | 879 |
| 31 | 9083 | 293 |
| 293 | 293 | 293 |
| 1 | 1 |
Step 4 : Multiply numbers in first column to get LCM.
LCM( 54498, 1758 ) = 2 · 3 · 31 · 293 = 54498 .
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.
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