Square Root Of 1287 In Simplest Radical Form

Simplify the square root of 1287 to its lowest radical form.

ANSWER: 3√143

3√143 is in the lowest radical form.

Simplified Radical Form of √1287

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 √1287, we need to divide into factors.

√1287 = √3 x √3 x √11 x √13

Step 2: List Perfect Squares

1 is a perfect square and divides 1287
9 is a perfect square and divides 1287

Step 3: Divide To Perfect Square

Divide 1287 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 1287 in its simplest form: 3√143

How do you simplify √1287

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 1287. Divide 1287 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 3√143.

Simplified Decimal Form of √1287

The square root of 1287 is approximately 35.875 when expressed in decimal form.

Calculation Table:

Square Root Answer Calculation
√13 Square root of 13 is the simplest radical form. √13
√72 6√2 √2 x √2 x √2 x √3 x √3
√18 3√2 √2 x √3 x √3
√802 Square root of 802 is the simplest radical form. √2 x √401
√306 3√34 √2 x √3 x √3 x √17
√759 Square root of 759 is the simplest radical form. √3 x √11 x √23
√4822 Square root of 4822 is the simplest radical form. √2 x √2411
√9620 2√2405 √2 x √2 x √5 x √13 x √37
√7757 Square root of 7757 is the simplest radical form. √7757

Convert any root forms to simplest radical form.

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