WorkedMathGlossary

Square Root of 15

The square root of 15 is approximately 3.872983, or exactly √15 in simplified radical form. No, 15 is not a perfect square. Its square root is irrational and never terminates or repeats as a decimal.

15
3.872983
Simplified Radical Form
√15
Perfect Square
No

15 is irrational — its decimal form (3.872983) never terminates or repeats. The simplified radical form (√15) is the exact value.

Frequently Asked Questions

What is the square root of 15?

The square root of 15 is approximately 3.872983, or exactly √15 in simplified radical form.

Is 15 a perfect square?

No, 15 is not a perfect square. Its square root is irrational and never terminates or repeats as a decimal.

More Number Theory

Nearby numbers

View all calculators →