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Is it, or is it not? (Posted on 2007-04-10) Difficulty: 4 of 5
Is (258+1)/5 an integer? A prime?

See The Solution Submitted by Federico Kereki    
Rating: 3.6667 (3 votes)

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re: Had fun Comment 12 of 12 |
(In reply to Had fun by CharleyA.)

The question has to do with, after dividing that number that's divisible by 5, by 5, is the result prime.
  Posted by Charlie on 2007-04-12 16:20:58

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