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00 Separate (Posted on 2003-10-10) Difficulty: 1 of 5
Prove that the numbers that begin with 1 and end with 1, with any number of 2s in the middle, and all 1s and 2s separated by 00 are composite.

For example:

See The Solution Submitted by Gamer    
Rating: 3.5714 (7 votes)

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  Subject Author Date
SolutionPuzzle SolutionK Sengupta2007-11-29 04:47:54
solutionJim2003-10-17 14:45:12
re: Simple solution, with no words!RoyCook2003-10-13 13:12:52
re: Simple solution, with no words!RoyCook2003-10-13 13:11:46
simplebharath2003-10-11 14:21:00
SolutionSimple solution, with no words!Federico Kereki2003-10-11 10:44:15
re(3): DivisibilitySilverKnight2003-10-10 17:18:01
re(2): DivisibilityGamer2003-10-10 17:02:44
re: DivisibilitySilverKnight2003-10-10 16:33:58
re: A solutionGamer2003-10-10 15:57:28
A solutionBrian Smith2003-10-10 15:22:26
SolutionDivisibilityNick Hobson2003-10-10 15:20:14
Solutioncheesy solution...SilverKnight2003-10-10 14:52:40
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