in the Princeton Companion to Math on p250 the problem 'left to the reader' is to use modular arithmetic to show whether (n^7)-77 is ever a Fibonacci number. I need help to figure out how to set about showing this since I am stuck.

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- May 10th 2010, 09:12 PMDaveBModular arithmetic problem
in the Princeton Companion to Math on p250 the problem 'left to the reader' is to use modular arithmetic to show whether (n^7)-77 is ever a Fibonacci number. I need help to figure out how to set about showing this since I am stuck.

- May 11th 2010, 01:12 PMchiph588@