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प्रश्न
Find the HCF of the following numbers:
30, 42
उत्तर
| 2 | 30 |
| 3 | 15 |
| 5 | 5 |
| 1 |
| 2 | 42 |
| 3 | 21 |
| 7 | 7 |
| 1 |
30 = 2 × 3 × 5
42 = 2 × 3 × 7
HCF = 2 × 3 = 6
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