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Prime Crossed Square Poser (Posted on 2022-12-12) Difficulty: 3 of 5
Determine all possible values of a prime number P such that P3-4P+9 is a perfect square.

Note: Computer program aided solutions are welcome, but a semi-analytic solution is preferred.

See The Solution Submitted by K Sengupta    
Rating: 5.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
SolutionSolution a different wayPaul2022-12-12 15:31:33
SolutionSolutionBrian Smith2022-12-12 10:42:21
Some ThoughtsAlmost a proofLarry2022-12-12 10:14:19
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