121
121? Square root is 11, a prime number,
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The square root of any prime number is an irrational number. Every positive number has a real square root. However, prime numbers do not have rational square roots.
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You misinterpreted something I think. He said the number HAS a prime square root.
Ex. 121. The square root is 11. 11 is prime.
no, your 121 is not a winner, somebody already guessed 121 before