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Question
Find the LCM:
18, 32
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Solution
| 2 | 18 |
| 3 | 9 |
| 3 | 3 |
| 1 |
| 2 | 32 |
| 2 | 16 |
| 2 | 8 |
| 2 | 4 |
| 2 | 2 |
| 1 |
18 = 2 × 3 × 3
32 = 2 × 2 × 2 × 2 × 2
∴ LCM = 2 × 3 × 3 × 2 × 2 × 2 × 2
= 18 × 16
= 288
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