Prove that there are no natural numbers n>1 such that http://www4c.wolframalpha.com/Calcul...s=34&w=71&h=18 is prime.

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- Aug 30th 2012, 12:20 PMbrucewayneNatural Number
Prove that there are no natural numbers n>1 such that http://www4c.wolframalpha.com/Calcul...s=34&w=71&h=18 is prime.

- Aug 30th 2012, 12:45 PMbrucewayneRe: Natural Number
Disregard. I found a solution from 2008 in this thread.

- Aug 30th 2012, 12:52 PMemakarovRe: Natural Number
Could you post the link to the solution?

- Aug 30th 2012, 01:04 PMbrucewayneRe: Natural Number
Absolutely. It's an ingenious approach as well.

http://mathhelpforum.com/number-theo...ime-n-1-a.html