How to show that Fermat's little theorem doesn't hold if p is not prime (number theory, discrete mathematics, modular arithmetic, math) - Quora
![SOLVED: It is easy to show that the converse of Fermat' s Theorem does not hold; i.e, the congruence a" =a (mod n) for all a does not imply that n is SOLVED: It is easy to show that the converse of Fermat' s Theorem does not hold; i.e, the congruence a" =a (mod n) for all a does not imply that n is](https://cdn.numerade.com/ask_previews/a40332a3-d9e4-48ac-b2c5-957d68bcd6a3_large.jpg)
SOLVED: It is easy to show that the converse of Fermat' s Theorem does not hold; i.e, the congruence a" =a (mod n) for all a does not imply that n is
![SOLVED: 16. Show that the converse of Fermat s Theorem is false: [Broad hint: consider 2340 , (mod 341).] SOLVED: 16. Show that the converse of Fermat s Theorem is false: [Broad hint: consider 2340 , (mod 341).]](https://cdn.numerade.com/ask_previews/df2fa059-73c1-4a07-b851-44c144c7e546.gif)
SOLVED: 16. Show that the converse of Fermat s Theorem is false: [Broad hint: consider 2340 , (mod 341).]
Wiles's Proof of Fermat's Last Theorem - Wikipedia PDF | PDF | Fermat's Last Theorem | Metric Geometry
![Proof Converse of Fermat's Theorem Is False by producing a counterexample; Euler Totient function - YouTube Proof Converse of Fermat's Theorem Is False by producing a counterexample; Euler Totient function - YouTube](https://i.ytimg.com/vi/AYNn6Sk1h7U/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLCHs8VR4EtBAQSR-aRLTF9VUH8y2g)
Proof Converse of Fermat's Theorem Is False by producing a counterexample; Euler Totient function - YouTube
![Fermat's little theorem. An etymological and visual exploration… | by Cédric Bellet | Biffures | Medium Fermat's little theorem. An etymological and visual exploration… | by Cédric Bellet | Biffures | Medium](https://miro.medium.com/v2/resize:fit:842/1*LHVHGSRzLqawoPCVgrq8ow.png)
Fermat's little theorem. An etymological and visual exploration… | by Cédric Bellet | Biffures | Medium
![Proof Converse of Fermat's Theorem Is False by producing a counterexample; Euler Totient function - YouTube Proof Converse of Fermat's Theorem Is False by producing a counterexample; Euler Totient function - YouTube](https://i.ytimg.com/vi/kCKQ8SpQutw/maxresdefault.jpg)