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Prime and Twice Square (Posted on 2016-10-22) Difficulty: 4 of 5
Determine all possible values of a prime number P such that each of P+1 and P2 + 1 is twice a perfect square.

Prove that these are the only ones.

No Solution Yet Submitted by K Sengupta    
Rating: 3.5000 (2 votes)

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Question re: A solution................all possible values? | Comment 2 of 4 |
(In reply to A solution by Math Man)

...."Determine all possible values.....Prove that these are the only ones...

Did you?

  Posted by Ady TZIDON on 2016-10-22 13:21:21
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