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प्रश्न
Find the HCF set of numbers using prime factorisation method.
84, 120
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उत्तर
84, 120
Prime factorisation of 84 = 2 × 2 × 3 × 7
Prime factorisation of 120 = 2 × 2 × 2 × 3 × 5
Common factors of 84 and 120 = 2 × 2 × 3
HCF (84, 120) = 12
| 2 | 84 |
| 2 | 42 |
| 3 | 21 |
| 7 | 7 |
| 4 |
| 2 | 120 |
| 2 | 60 |
| 2 | 30 |
| 3 | 15 |
| 5 | 5 |
| 1 |
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