LCM( 1766, 20639242 ) = 20639242
Step 1 : Write the given numbers in a horizontal line.
1766 | 20639242 |
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 | 1766 | 20639242 |
883 | 10319621 |
Step 3 : Continue dividing by prime numbers till we get 1 in all columns.
2 | 1766 | 20639242 |
13 | 883 | 10319621 |
29 | 883 | 793817 |
31 | 883 | 27373 |
883 | 883 | 883 |
1 | 1 |
Step 4 : Multiply numbers in first column to get LCM.
LCM( 1766, 20639242 ) = 2 · 13 · 29 · 31 · 883 = 20639242 .
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.