Square Root of 231 Simplified
Simplify Square Root Calculator
What is the square root of 231 simplified?
Answer
√231 cannot be simplified — its simplest radical form is
√231
√231 is already in simplest form — 231 has no square factor other than 1, so nothing comes out of the radical. As a decimal, √231 ≈ 15.199.
Simplifying √231 Step by Step
1. Prime factorization. — All Prime Factors of 231:
231 = 3 × 7 × 11
2. Pair up equal primes. Each pair is a perfect square and comes out of the root as one factor; a prime without a partner stays under the radical.
| Prime factor | Times in 231 | Comes out of the root | Stays under the root |
|---|---|---|---|
| 3 | 1 | — | 3 |
| 7 | 1 | — | 7 |
| 11 | 1 | — | 11 |
3. Take the pairs out of the root.
√231 = √(3 × 7 × 11)
No prime appears twice, so there is no pair to take out.
√231
4. Check by squaring back.
The only perfect square dividing 231 is 1 = 1², and 1² × 231 = 231
Found an error in the calculation or the information?
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See Also
- Square Root Calculator - Calculate the square root of any number
- Factors of a Number - List all Factors and Factor Pairs of a Number
- Prime Number Checker - Find out whether a given number is Prime or not
- Prime Factorization - Prime Factorization Calculator
- Prime Numbers List - List of all Prime Numbers - how many Prime numbers are between
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Simplified Square Roots Table
| Number | Simplest radical form | Decimal value |
|---|---|---|
| 216 | 6√6 | ≈ 14.697 |
| 217 | √217 | ≈ 14.731 |
| 218 | √218 | ≈ 14.765 |
| 219 | √219 | ≈ 14.799 |
| 220 | 2√55 | ≈ 14.832 |
| 221 | √221 | ≈ 14.866 |
| 222 | √222 | ≈ 14.9 |
| 223 | √223 | ≈ 14.933 |
| 224 | 4√14 | ≈ 14.967 |
| 225 | 15 | 15 |
| 226 | √226 | ≈ 15.033 |
| 227 | √227 | ≈ 15.067 |
| 228 | 2√57 | ≈ 15.1 |
| 229 | √229 | ≈ 15.133 |
| 230 | √230 | ≈ 15.166 |
| 231 | √231 | ≈ 15.199 |
| 232 | 2√58 | ≈ 15.232 |
| 233 | √233 | ≈ 15.264 |
| 234 | 3√26 | ≈ 15.297 |
| 235 | √235 | ≈ 15.33 |
| 236 | 2√59 | ≈ 15.362 |
| 237 | √237 | ≈ 15.395 |
| 238 | √238 | ≈ 15.427 |
| 239 | √239 | ≈ 15.46 |
| 240 | 4√15 | ≈ 15.492 |
| 241 | √241 | ≈ 15.524 |
| 242 | 11√2 | ≈ 15.556 |
| 243 | 9√3 | ≈ 15.588 |
| 244 | 2√61 | ≈ 15.62 |
| 245 | 7√5 | ≈ 15.652 |
Simplify Square Root Calculator
This calculator writes a square root in simplest radical form: it finds the largest perfect square that divides the number, takes its root out of the radical and leaves the rest under it. For example, it can help you find out what is the square root of 231 simplified? (The answer is: √231). Enter a whole number (e.g. '231') and hit the 'Simplify' button.