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Three digits - all prime! (Posted on 2012-02-01) Difficulty: 1 of 5
List all the 3-digit numbers such that all arrangements of their three digits are prime numbers.

See The Solution Submitted by Ady TZIDON    
Rating: 3.6667 (3 votes)

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Solution answer | Comment 1 of 4
113, 131, 311
199, 919, 991
337, 373, 733
  Posted by Dej Mar on 2012-02-01 13:51:17
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