Square Root of 26 — sqrt(26) = sqrt26

The square root of 26 is sqrt26. In decimal form, sqrt(26) approximately 5.09902 (irrational). This page shows the exact value, simplified radical, decimal to 20 places, prime factorisation, and a visual number line....

26 = ?

SQUARE ROOT OF 26

√26

5.0990195136

Irrational — cannot be expressed as a fraction

Exact form

√26

Decimal (4dp)

5.0990

Decimal (10dp)

5.0990195136

Is perfect sq?

No

√26 ²

26 ✓

Between

5 and 6

DECIMAL PRECISION

265.0990195136

STEP-BY-STEP

1

Prime factorisation: 26 = 2 × 13

2

Simplified radical form: √26

3

5² = 25 < 26 < 36 = 6² → lies between 5 and 6

4

265.0990195136...

FUN FACT

sqrt(26)=5.09901...=sqrt(2)*sqrt(13). Has no repeated factors.

NUMBER LINE (√265.0990)

5

6

26

SQUARE WITH AREA = 26

Area = 26

26

5.099

265.099

NEARBY PERFECT SQUARES

9= 33² = 9
16= 44² = 16
25= 55² = 25
36= 66² = 36
49= 77² = 49
64= 88² = 64

SQUARE ROOT LAWS

√26 × √26= 26
(√26)²= 26
√(26 × 4)= 2√26 ≈ 10.1980
√(26/4)= √26/2 ≈ 2.5495
√26 × √27≈ 26.4953
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HOW TO CALCULATE

  1. 1

    Find the prime factorisation of 26: 26 = 2 x 13. Check for repeated prime factors.

  2. 2

    Simplify: pull out any pairs of identical prime factors. Result: sqrt26. Since no factor repeats, it cannot be simplified further.

  3. 3

    Locate sqrt(26) between integers: 5 squared = 25 and 6 squared = 36. Since 25 < 26 < 36, sqrt(26) lies between 5 and 6.

  4. 4

    Calculate decimal: sqrt(26) approximately 5.0990195136. Verify by squaring: (5.099020) squared approximately 26.0 = 26.

WORKED EXAMPLE

sqrt(26): not a perfect square. Factorisation: 26 = 2 x 13. Simplified: sqrt26. Decimal: sqrt(26) approximately 5.0990195136.

FREQUENTLY ASKED QUESTIONS

OTHER SQUARE ROOTS

Bold bordered = perfect squares (exact integer result)

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Last updated: April 28, 2026 · Verified by EagleCalculator team · Eagle-eyed accuracy for every calculation.