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Question
Find the LCM of 160, 170 and 90
Solution
We have,
2 |
160, 170, 90 |
2 |
80, 85, 45 |
2 |
40, 85, 45 |
2 |
20, 85, 45 |
2 |
10, 85, 45 |
3 |
5, 85, 45 |
3 |
5, 85, 15 |
5 |
5, 85, 5 |
17 |
1, 17, 1 |
1, 1, 1 |
The LCM of 160, 170 and 190 = 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 17 = 24480
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