SOLUTION: Find a counterexample to the statement " The square of a number added to the sum of the number and five is a prime number."

Question 142465: Find a counterexample to the statement " The square of a number added to the sum of the number and five is a prime number."
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find a counterexample to the statement " The square of a number added to the sum of the number and five is a prime number."
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Let the number be "x".
Claim: x^2 + x + 5 is a prime
Let x = 4, then 4^2+4+5 = 25 which is not a prime.
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Cheers,
Stan H.

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