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It is because a whole number multiplied by itself does not equal 15.

An example of a square number is 49.

7 times 7 equals 49.

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โˆ™ 2010-10-11 00:35:51
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Q: Why isn't the number 15 a square number?
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Related questions

Is the square root of 15 a whole number?

The square root of 15 is not a whole number.


Is the square root of 15 irratinal?

The square root of 15 is an irrational number


What number's square root is 15?

15 is the square root of 225 (15 x 15 = 225).


What is the square root number of 225?

15, -15


Is 225 a square number?

Yes. Any number that is the result of a whole number multiplied by itself is a square number. Since 15 squared (152) = 225, the square root of 225 is 15.


What square number is between 220 and 230?

The square number is 225 because 15*15 = 225


Is a square a perimeter?

a square has a perimeter but a square isnt a perimeter. so no a square isnt a perimeter


Is 15 square number?

No, but 16 is.


What whole number is the closest to the square root of 15?

The square root of 15 being 3.87 the closest whole number would be 4


Is 15 square rooted a rational number?

No, it is not.


Which number is a square number 128 225 360 or 399?

Out of these numbers, 225 is a square number since the square root of 225 is 15.


What number has a square root of 15?

225 15 x 15 = 225


What is the smallest number that can be multiplied by 2940 to give a square number?

15*2940 = 44100 and the square root of this is 210


What whole number equals the square root of 225?

15*15=225


A number that isnt a prime number?

Composite


Which square number is 225?

15. 15x15=225


Is square root of 15 an irrational number?

Yes


Is the square root of 225 rational?

The square root of 225 is 15, which is a rational number.


What of a number is infinite?

There isnt


What meaning of 225?

225 is a square number because 15 times 15 = 225


What is a multiple of 5 that is not a even number square number prime number?

15 is one possible answer.


What is a number called when it isnt a prime number?

Composite


What is the square root of -15?

The square root of a negative number cannot be determined. It must be positive.


How many square feet is a room 15 by 15?

225 square feet. This is an easy calculation - just multiply the length by the width. The answer is the number of square feet.


What number is multiple of 3 and not a square number?

6, 12, 15 and lots more.