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

Home > Numbers
Prime Pairs (Posted on 2002-09-01) Difficulty: 4 of 5
Pairs of primes separated by a single number are called prime pairs. Examples are 17 and 19. Prove that the number between a prime pair is always divisible by 6 (assuming both numbers in the pair are greater than 6).

(From http://www.ocf.berkeley.edu/~wwu/riddles/intro.shtml )

See The Solution Submitted by levik    
Rating: 3.3636 (11 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
SolutionThis is D1, not D4!Math Man2013-01-24 20:37:24
SolutionSolutionK Sengupta2008-11-06 05:47:18
SolutionSolutionPraneeth2007-08-14 03:01:13
re: Stronger resultRichard2006-06-08 19:48:38
Stronger resultSteve Herman2005-04-30 15:17:20
SolutionSimple SolutionGamer2003-10-11 17:11:29
SolutionSixesTomM2002-09-02 12:00:23
Solutionfriedlinguini2002-09-02 04:34:39
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 (9)
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