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only one (Posted on 2010-12-28) Difficulty: 1 of 5
There is only one palindromic prime with an even number of digits.

Prove it.

See The Solution Submitted by Ady TZIDON    
Rating: 4.5000 (2 votes)

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Puzzle Thoughts Comment 4 of 4 |
The only even prime palindrome is 11.
  Posted by K Sengupta on 2024-07-04 02:12:16
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