√157 = 12.5299640861. 157 is not a perfect square; the result is irrational.

Is 157 a perfect square?

No, 157 is not a perfect square. Its square root is irrational.

What is 12.5299640861 squared?

12.5299640861 squared is approximately 157. (12.5299640861)² ≈ 157

Instant answer with step-by-step solution

√157 = 12.5299640861

√157 = 12.5299640861

⚠ 157 is not a perfect square — result rounded to 10 significant figures

We need to find √157 — a number that when multiplied by itself equals 157.
157 is not a perfect square. Its square root is irrational.
It falls between √144 = 12 and √169 = 13.
Using the formula √N = N^(1/2): √157 = 157^0.5 = 12.5299640861
Verification: 12.5299640861 × 12.5299640861 ≈ 157 ✓ (rounded to 10 significant figures)

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