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Question
Find the HCF and LCM:
17, 102, 170
Solution
| 2 | 102 |
| 3 | 51 |
| 17 | 17 |
| 1 |
| 2 | 170 |
| 5 | 85 |
| 17 | 17 |
| 1 |
17 = 17
102 = 2 × 3 × 17
170 = 2 × 5 × 17
∴ HCF of 17, 102 and 170 = 17
∴ LCM of 17, 102 and 170 = 17 × 2 × 3 × 5
= 510
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