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Prime Central (Posted on 2008-12-10) Difficulty: 3 of 5

No Solution Yet Submitted by brianjn    
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Answer to part two | Comment 4 of 6 |

I discovered the same solution as Charlie and Rod, that the value for x cannot be 7 to provide ten primes.  Yet, what might be considered the best that one can do where x = 7?  In the following grid, there are eight primes and the two composite numbers 3799 and 9979.


  Posted by Dej Mar on 2008-12-10 21:48:42
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