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प्रश्न
Find the HCF of the following numbers:
18, 54, 81
उत्तर
| 2 | 18 |
| 3 | 9 |
| 3 | 3 |
| 1 |
| 2 | 54 |
| 3 | 27 |
| 3 | 9 |
| 3 | 3 |
| 1 |
| 3 | 81 |
| 3 | 27 |
| 3 | 9 |
| 3 | 3 |
| 1 |
18 = 2 × 3 × 3
54 = 2 × 3 × 3 × 3
81 = 3 × 3 × 3 × 3
HCF = 3 × 3 = 9
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