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Tony11235

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## Homework Statement

Let p = 7, 13, or 19. Show that [tex] a^{1728} \equiv 1 (mod p) [/tex] for all a such that p does not divide a.

## Homework Equations

Fermat's little theorem.

## The Attempt at a Solution

I'm not sure how to show this. Any quick help or examples?

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