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Prime Possibility Poser (Posted on 2022-11-10)

Determine, with proof, all possible values of a prime number p such that the expression given below is equal to a prime number.

No Solution Yet Submitted by K Sengupta

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Observation without proof

| Comment 1 of 2

The smallest p for which the expression is positive is 7.

When p = 7, the expression evaluates to 593 which is prime.

I have not found any other solutions testing up to 10,000,000

Edited on November 10, 2022, 7:44 am

Posted by Larry on 2022-11-10 07:43:32

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