Question
Find Least Common Multiple of 2964 and 3268 using division method..
Answer
LCM( 2964, 3268 ) = 127452
Explanation
Step 1 : Write the given numbers in a horizontal line.
| 2964 | 3268 |
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 | 2964 | 3268 |
| 1482 | 1634 |
Step 3 : Continue dividing by prime numbers till we get 1 in all columns.
| 2 | 2964 | 3268 |
| 2 | 1482 | 1634 |
| 3 | 741 | 817 |
| 13 | 247 | 817 |
| 19 | 19 | 817 |
| 43 | 1 | 43 |
| 1 | 1 |
Step 4 : Multiply numbers in first column to get LCM.
LCM( 2964, 3268 ) = 2 · 2 · 3 · 13 · 19 · 43 = 127452 .
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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