Monday, September 15, 2008

Prime Number Puzzle

Prime Number Puzzle

Can the mean of any two consecutive prime numbers ever be prime?
(Should be able to answer in 5 seconds)

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Note : Hints : Look at it only if you are not able to answer in 5 seconds
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- By definition of mean the result must be between the two source numbers.
- By definition of consecutive there can't be a number in between two consecutive numbers.