Square Root Of 428 In Simplest Radical Form

Simplify the square root of 428 to its lowest radical form.

ANSWER: 2√107

2√107 is in the lowest radical form.

Simplified Radical Form of √428

One of the main facts used to simplify square roots is that the square root of a product is equal to the product of square roots: √(x×y) = √x×√y

Explanation:

When we find square root of any number, we take one number from each pair of the same numbers from its prime factorization and we multiply them.

Step 1: List Factors

To simplify √428, we need to divide into factors.

√428 = √2 x √2 x √107

Step 2: List Perfect Squares

1 is a perfect square and divides 428
4 is a perfect square and divides 428

Step 3: Divide To Perfect Square

Divide 428 by the largest perfect square you found in the previous step:

Step 4: Calculate The Square Root

Calculate the square root of the largest perfect square:

Final Step :

Put Steps 3 and 4 together to get the square root of 428 in its simplest form: 2√107

How do you simplify √428

The general approach is to first check if it is a perfect square. If so, you have the answer. If it is not a perfect square, see if any of its factors are perfect squares, or can be combined to make square numbers.

Find the lowest prime number that can divide 428. Divide 428 repeatedly using the long division method till you reach 1.

A pair of factor 'twins' under a square root sign (radical) form a single factor outside of it.

Factors that do not have a twin remain under the radical. Multiply them back together and leave them in there.

So, the answer is 2√107.

Simplified Decimal Form of √428

The square root of 428 is approximately 20.688 when expressed in decimal form and you can find additive inverse of a decimal number.

Calculation Table:

Square Root Answer Calculation
√85 Square root of 85 is the simplest radical form. √5 x √17
√68 2√17 √2 x √2 x √17
√17 Square root of 17 is the simplest radical form. √17
√169 13√1 √13 x √13
√310 Square root of 310 is the simplest radical form. √2 x √5 x √31
√822 Square root of 822 is the simplest radical form. √2 x √3 x √137
√7759 Square root of 7759 is the simplest radical form. √7759
√9675 15√43 √3 x √3 x √5 x √5 x √43
√7037 Square root of 7037 is the simplest radical form. √31 x √227

Convert any root forms to simplest radical form.

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