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How can I prove that the number formed by concatenating the primes in order i.e. 0.235711131719.. is irrational.

I know I have to demonstrate that it has no period, but I'll be so thankful if someone can explain very clear, including all cases.

- Andreas
**Posts:**1**Joined:**Fri May 02, 2014 6:33 pm

Andreas wrote:How can I prove that the number formed by concatenating the primes in order i.e. 0.235711131719.. is irrational.

I know I have to demonstrate that it has no period, but I'll be so thankful if someone can explain very clear, including all cases.

What have you accomplished, including what you've already been given here? For instance, what "cases" have you determined there to be?

- nona.m.nona
**Posts:**254**Joined:**Sun Dec 14, 2008 11:07 pm

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