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Long chain (Posted on 2015-04-10)

Create a chain of consecutive digits starting with 1 and following 9 by 0: 123456789012345...

How many digits are needed to obtain the 1st prime number?

See The Solution Submitted by Ady TZIDON

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re: Computer says... (spoiler)

| Comment 5 of 7 |

This indeed is the correct answer.

Posted by Ady TZIDON on 2015-04-11 07:14:14

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