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PUZZLET 189

Morse Code & Palindromic Primes


A Morse Code instructor set his class to transmit all possible five-digit Morse Code numerical palindromes for practice.  These are numbers such as 42586, which is a palindrome in dots and dashes.

Sending Morse

Morse Code

He then noticed that some of the transmitted Morse Code numerical palindromes also just happened to be prime numbers.

Can you list all those five-digit Morse Code numerical palindromes which are also prime numbers?


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Last Updated: January 17th, 2010.