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Question
Find the LCM of 80, 96, 125, 160.
Sum
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Solution
We have,
| 2 | 80, 96, 125, 160 |
| 2 | 40, 48, 125, 80 |
| 2 | 20, 24, 125, 40 |
| 2 | 10, 12, 125, 20 |
| 2 | 5, 6, 125, 10 |
| 3 | 5, 3, 125, 5 |
| 5 | 5, 1, 125, 5 |
| 5 | 1, 1, 25, 1 |
| 5 | 1, 1, 5, 1 |
| 1, 1, 1, 1 |
∴ The LCM of 80, 96, 125 and 160 is
= 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 5
= 12000
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