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there are several but the first one is 121. The square root of 121 is 11. 11 is a Prime number.

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โˆ™ 2012-07-24 10:47:37
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Q: What is a 3-digit number and the square root is a prime?
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Related questions

What is the largest 3 digit prime number whose square root is a prime number?

There is no three digit prime number whose square root is a prime number. Prime numbers have no factors other than 1 and themselves. Any number having a prime number as a square root is a composite number.


What number between between 100 and 300 has a square root that is a prime number and the sum of it's digits is an odd number?

There can't be a prime number that has a square root because the square root would be a factor of the number.


Will the square root of a prime number be rational or irrational?

Nice question! The square root of (any number that isn't a perfect square) is irrational. No prime number is a perfect square. So the square root of any prime number is irrational.


What is the mathematical name for a number whose square root is a prime number?

a prime square


How can you prove that the square root of three is an irrational number?

Because 3 is a prime number and as such its square root is irrational


What is the largest 3 digit number whose square root is a prime number?

The answer is 961. The square root of 961 is 31, which is a prime number.


Is the square root of 19 irrational or rational?

The square root of the prime number 19 is an irrational number


Is the square root of 121 a rational number?

The square root of 121 is 11 which is a rational number and also a prime number


Is square root of 121 a rational number?

The square root of 121 is 11 which is a rational number and also a prime number


What is the square root of 593 in radical form?

Since 593 is a prime number, its square root will be written as the square root of 593.


Is the square root of five an integer?

The square root of 5 is the positive real number that, when multiplied by itself, gives the prime number 5.


Is the square root of 169 irrational or a rational number?

The square root of 169 is 13 which is a rational and also a prime number


Is the square root of 121 rational or irrational?

The square root of 121 is 11 which is a rational number and it is also a prime number


Is there a prime factor greater than the square root of an integer?

No there is not. If you are looking for prime factors of a number and you get to the square root of that number you can stop. Yes, there is. If an integer is not itself a prime, then one of its factors will be less or equal to its square root and the "co-factor" will be greater than or equal to the square root. But both cannot be greater than the square root so, when searching for factors, you can stop when you reach the square root.


Is the square root of 47 a rational number?

No, the square root of 47 is around 6.8556546. Any time you have a square root of a prime number you can never be rational.


What square number has only three factors?

4,9,25. Any square with a prime number as its root.


Is the square root of 17 a rational number?

No because the square root of any prime number is irrational inasmuch that it can't be expressed as a fraction.


Is the square root of 11 a whole number?

It is true that the square root of a prime number like 11 is never a whole number. But to say that that has never been proven is incorrect. The square root of any positive integer that is not a square number (the square of an integer) is always irrational, and that is relatively easy to prove. To prove that prime numbers are not square numbers is even easier. That is basically true by definition. If a number greater than 1 were a square number, its square root would be a factor other than 1 and itself; therefore, it would not be a prime number.Answer 1No - the square root of 11 is not a whole number. 11 is prime so it has no factors except itself and 1, anyways.Any prime number has no square root that is a whole number or integer. (That postulate has not been proven, but it has not been disproven so it is accepted as true.)


How do you find the prime factors of a squared number?

The prime factors of a squared number are the prime factors, if any, of its square root.


What is the square root of 73?

8.54400374531753 but there is no square root really because 73 is a prime number


How can you determine if a number is a prime number by using square root theory?

we can check if it is aprime no or not by sqaure root method (ex 4isnot aprime no but ots square root is aprime no)


What is the prime factorization of the square root 512?

The square root of 512 is neither an integer, nor even a rational number, so it has no prime factorization.


What is the largest prime number that has a square root that is less than 20?

Prime numbers can't have whole number square roots, of course, but the largest prime number under 400 is 397.


What is the greatest prime you must consider to test whether 854 is a prime number?

You only need to test numbers up to the last prime number equal to or less than the square root of a number when testing whether it is prime. The square root of 854 is between 29 and 30, so you would test up to the prime number 29.


How is root 2 irrational?

2 is a prime number and its square root is an irrational number that cannot be expressed as a fraction

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