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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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Q: What is a 3-digit number and the square root is a prime?
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Related questions

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.


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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?

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


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


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


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