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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)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Possible solution.broll2016-10-23 22:37:56
Some Thoughtsre: A solutionCharlie2016-10-22 15:54:41
Questionre: A solution................all possible values?Ady TZIDON2016-10-22 13:21:21
SolutionA solutionMath Man2016-10-22 11:49:50
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