Square Root of 158 Simplified
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What is the square root of 158 simplified?
Answer
√158 cannot be simplified — its simplest radical form is
√158
√158 is already in simplest form — 158 has no square factor other than 1, so nothing comes out of the radical. As a decimal, √158 ≈ 12.57.
Simplifying √158 Step by Step
1. Prime factorization. — All Prime Factors of 158:
158 = 2 × 79
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 158 | Comes out of the root | Stays under the root |
|---|---|---|---|
| 2 | 1 | — | 2 |
| 79 | 1 | — | 79 |
3. Take the pairs out of the root.
√158 = √(2 × 79)
No prime appears twice, so there is no pair to take out.
√158
4. Check by squaring back.
The only perfect square dividing 158 is 1 = 1², and 1² × 158 = 158
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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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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 158 simplified? (The answer is: √158). Enter a whole number (e.g. '158') and hit the 'Simplify' button.