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Question
By splitting into prime factors, find the square root of 194481.
Solution
`sqrt(194481)`
= `sqrt(bar(3xx3) xx bar(3xx3) xx bar(7xx7) xx bar(7xx7)`
= 3 x 3 x 7 x 7 = 441
| 3 | 194481 |
| 3 | 64827 |
| 3 | 21609 |
| 3 | 7203 |
| 7 | 2401 |
| 7 | 343 |
| 7 | 49 |
| 7 |
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