A Prime Number Puzzle
November 28, 2014
Today’s exercise comes from the world of recreational mathematics.
For each number n from 1 to 9 inclusive, find a number m that begins with the digit n, has n digits, has each two-digit sequence within m a different prime number, and is as small as possible.
When you are finished, you are welcome to read or run a suggested solution, or to post your own solution or discuss the exercise in the comments below.
Programming Praxis 