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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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Hints/Tips An added value | Comment 3 of 4 |

In the 1st triplet all 2-digit combinations are also prime 

i.e. 11,  13,  31.
 


 


  Posted by Ady TZIDON on 2012-02-05 19:35:49
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