Find Least Common Multiple of 184, 240, 360 and 160 using division method..
Answer
LCM( 184, 240, 360, 160 ) = 33120
Explanation
Step 1 : Write the given numbers in a horizontal line.
| 184 | 240 | 360 | 160 |
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 | 184 | 240 | 360 | 160 |
| 92 | 120 | 180 | 80 |
Step 3 : Continue dividing by prime numbers till we get 1 in all columns.
| 2 | 184 | 240 | 360 | 160 |
| 2 | 92 | 120 | 180 | 80 |
| 2 | 46 | 60 | 90 | 40 |
| 2 | 23 | 30 | 45 | 20 |
| 2 | 23 | 15 | 45 | 10 |
| 3 | 23 | 15 | 45 | 5 |
| 3 | 23 | 5 | 15 | 5 |
| 5 | 23 | 5 | 5 | 5 |
| 23 | 23 | 1 | 1 | 1 |
| 1 | 1 | 1 | 1 |
Step 4 : Multiply numbers in first column to get LCM.
LCM( 184, 240, 360, 160 ) = 2 · 2 · 2 · 2 · 2 · 3 · 3 · 5 · 23 = 33120 .
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