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

Home > Numbers
Powers Of 7, Powers Of 2 (Posted on 2007-08-30) Difficulty: 4 of 5
Determine all pairs of primes (m, n) for which (7m - 2m)(7n - 2n)/(mn) is an integer.

See The Solution Submitted by K Sengupta    
Rating: 3.7500 (4 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Partial Solution | Comment 1 of 2
(5,5) and (5,11)
  Posted by Guest on 2007-08-30 22:16:35
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 (3)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2024 by Animus Pactum Consulting. All rights reserved. Privacy Information