Les nombres de Mersenne et le lien avec les nombres parfaits

What is the link between Mersenne numbers and perfect numbers? Video on Lucas Lehner's primality test:    • Test de primalité de Lucas-Lehmer pour les...   To access the exercise statement: https://www.methodemaths.fr/sujets_gr... For more information, bonuses, and many other solved exercises, visit https://www.methodemaths.fr! Facebook page:   / methodemath   Tipeee page to support Méthode Maths: https://fr.tipeee.com/methode-maths To access Méthode Physique: https://www.methodephysique.fr 00:00 Primality of Mn 02:23 Perfect numbers and Mersenne numbers 05:48 General expression of the perfect number 07:02 Proof of the property 13:32 Proof of the GCD(Mn; Mp) 15:24 Proof of the property on the primality of Mn 18:25 Application of the property 20:10 Lucas Lehner primality test