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

Home > Numbers
Never a square (Posted on 2017-02-26) Difficulty: 4 of 5
Let each of x1, x2, x3, …, x777, y1, y2, y3, …, y777 be an arbitrary non-zero integer number.
Consider the product

P = (2x12 +3y12) * (2x22 +3y22) * (2x32 +3y32) * ...* (2x7772 +3y7772).

Prove: P cannot be a square number.

No Solution Yet Submitted by Ady TZIDON    
No Rating

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Solutionre(4): Poossible solution...very creative!broll2017-03-04 08:40:33
Hints/Tipsre(3): Poossible solution...very creative!Ady TZIDON2017-02-27 07:05:58
Some Thoughtsre(2): Poossible solution...very creative!broll2017-02-27 05:02:09
Hints/Tipsre: Poossible solution...very creative!Ady TZIDON2017-02-27 04:41:25
Some ThoughtsPoossible solutionbroll2017-02-27 01:21:33
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (6)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2017 by Animus Pactum Consulting. All rights reserved. Privacy Information