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Composite prime (Posted on 2015-02-24) Difficulty: 1 of 5
What is the smallest prime number such that all of its digits are composite?

No Solution Yet Submitted by Math Man    
Rating: 5.0000 (1 votes)

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  Subject Author Date
Solutionsmallest and beyond--computer exploration (spoiler)Charlie2015-02-24 11:11:57
SolutionJer2015-02-24 08:29:41
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