Square root of 661
The square root of 661 is 25.70992 (rounded to 6 decimal places). It cannot be simplified.
Square root of 661
Pick any whole number from 1 to 10,000.
How to work it out
- 1
The square root of 661 is the number that multiplied by itself gives 661.
- 2
661 is between the perfect squares 25² = 625 and 26² = 676, so its square root is between 25 and 26.
- 3
661 has no square factor bigger than 1, so the radical stays as it is.
- 4
A calculator, or long division of digits, gives
LaTeX source of the formulas on this page
\[ \sqrt{661} = \sqrt{661} \approx 25.70992 \]
\[ \sqrt{661} \]
\[ \sqrt{661} \approx 25.70992 \]Squares around 661
| Number | Squared |
|---|---|
| 24 | 576 |
| 25 | 625 |
| 26 | 676 |
| 27 | 729 |
Questions
What is the square root of 661?
The square root of 661 is 25.70992 (rounded to 6 decimal places). It cannot be simplified.
Is 661 a perfect square?
No. It lies between 25² = 625 and 26² = 676.
What is 661 squared?
661 × 661 = 436921.
What is the square root of 661 rounded to 2 decimals?
25.71.