All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Just Math
Perfect Prime Provision? (Posted on 2013-10-27) Difficulty: 3 of 5
Each of 2N + 1 and 3N + 1 is a perfect square for a positive integer N.

Can 5N + 3 be a prime number?
If not, prove it.
If so, provide an example.

No Solution Yet Submitted by K Sengupta    
Rating: 4.5000 (2 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
SolutionAnswerMath Man2013-10-29 21:16:07
SolutionFull solution (spoiler)broll2013-10-27 09:57:07
Please log in:
Remember me:
Sign up! | Forgot password

Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (0)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Copyright © 2002 - 2021 by Animus Pactum Consulting. All rights reserved. Privacy Information