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Question
Find the square root by prime factorisation method
144
Solution
144 = 2 × 2 × 2 × 2 × 3 × 3
`sqrt(144)` = 2 × 2 × 3 = 12
| 2 | 144 |
| 2 | 72 |
| 2 | 36 |
| 2 | 18 |
| 3 | 9 |
| 3 |
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