LCM( 890, 510 ) = 45390
Step 1 : Write the given numbers in a horizontal line.
890 | 510 |
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 | 890 | 510 |
445 | 255 |
Step 3 : Continue dividing by prime numbers till we get 1 in all columns.
2 | 890 | 510 |
3 | 445 | 255 |
5 | 445 | 85 |
17 | 89 | 17 |
89 | 89 | 1 |
1 | 1 |
Step 4 : Multiply numbers in first column to get LCM.
LCM( 890, 510 ) = 2 · 3 · 5 · 17 · 89 = 45390 .
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.