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

Home > Just Math
Conditional pairs (Posted on 2020-12-19) Difficulty: 2 of 5
Find all the pairs of positive numbers such that the last digit of their sum is 3, their difference is a prime number and their product is a perfect square.

No Solution Yet Submitted by Danish Ahmed Khan    
No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)
ummm... | Comment 4 of 7 |
(In reply to re: solution by Brian Smith)

Yes 5 ends in 5 and is prime.
D'oh!!!!

  Posted by Larry on 2020-12-19 19:10:30
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 (0)
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