Letting q=7 we get The 7 Lemma If 7 does not divide a, ق≥2, 6|ق-1, and a6Ξ1(mod ق), then n=7ق is a pseudo prime with resp
EULER'S THEOREM 1. Introduction Fermat's little theorem is an important property of integers to a prime modulus. Theorem 1.1
![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/max/906/1*HXRrT78NH-G-hAbgdbFNeA.png)
Fermat's little theorem. An etymological and visual exploration… | by Cédric Bellet | Biffures | Medium
![Fermat's Theorem's converse#Converse of fermat's Theorem is not true with examples explained in urdu - YouTube Fermat's Theorem's converse#Converse of fermat's Theorem is not true with examples explained in urdu - YouTube](https://i.ytimg.com/vi/9kNOi7CZQsM/hqdefault.jpg)
Fermat's Theorem's converse#Converse of fermat's Theorem is not true with examples explained in urdu - YouTube
![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 prime. 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 prime.](https://cdn.numerade.com/ask_images/92c6b113d60b4916a7913dae7abc4d45.jpg)