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The magic Number (Posted on 2004-03-17) Difficulty: 1 of 5
Whats the smallest number ("the magic number") that can satisfy these conditions?

- its positive

- it is not divisible by any number below 20 (excluding 1)

- the average of the digits is an even number between 3 and 9

See The Solution Submitted by Victor Zapana    
Rating: 3.3333 (9 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Best and final | Comment 4 of 35 |
(In reply to Best and final by Ady TZIDON)

17 is divisible by a number below 20...
  Posted by e.g. on 2004-03-17 08:42:39

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