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Question
Find the HCF of the following numbers:
12, 45, 75
Sum
Solution
| 2 | 12 |
| 2 | 6 |
| 3 | 3 |
| 1 |
| 3 | 45 |
| 3 | 15 |
| 5 | 5 |
| 1 |
| 3 | 75 |
| 5 | 25 |
| 5 | 5 |
| 1 |
12 = 2 × 2 × 3
45 = 3 × 3 × 5
75 = 3 × 5 × 5
HCF = 3
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