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Prime or Composite? (2) (Posted on 2022-12-10)

Each of p and 8p² + 1 is a prime number.

Is 8p² - 1 a prime number?

Computer program and spreadsheet aided methodologies are welcome, but an analytical solution is preferred.

*** Adapted from a problem appearing in a Russian Mathematical Olympiad.

See The Solution Submitted by K Sengupta

Rating: 5.0000 (1 votes)

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| Comment 4 of 7 |

(In reply to No Subject by K Sengupta)

hi

Posted by Gir Li on 2022-12-23 11:14:07

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