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What is the product of the two integer values for x for which |x^2 - 25| is a prime number?

 Nov 30, 2020
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What is the product of the two integer values for x for which |x^2 - 25| is a prime number?     

 

         62 – 25  =  36 – 25  =  11     

     (–6)2 – 25  =  36 – 25  =  11     

 

These are the only two I found.  There might be more.  Their product is  –6 • 6 = –36     

.     

 Jul 31, 2025

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