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Parmi les nombres que voici, encercle ceux qui sont premiers
Skip to contentHomework Help: Questions and Answers: Parmi les nombres que voici, encercle ceux qui sont premiers.

17 23 39 43 47 51 57 61 75 81 87 109 111
Answer:
Définition: Un nombre premier est un nombre supérieur à 1 qui n’a pas d’autres diviseurs que 1 et lui-même.
Étapes:
1. Liste des nombres à vérifier : 17, 23, 39, 43, 47, 51, 57, 61, 75, 81, 87, 109, 111
2. Vérification de chaque nombre :
- 17 : Premier (Diviseurs : 1 et 17)
- 23 : Premier (Diviseurs : 1 et 23)
- 39 : Pas premier (divisible par 3 et 13)
- 43 : Premier (Diviseurs : 1 et 43)
- 47 : Premier (Diviseurs : 1 et 47)
- 51 : Pas premier (divisible par 3 et 17)
- 57 : Pas premier (divisible par 3 et 19)
- 61 : Premier (Diviseurs : 1 et 61)
- 75 : Pas premier (divisible par 3 et 25)
- 81 : Pas premier (divisible par 3 et 27)
- 87 : Pas premier (divisible par 3 et 29)
- 109 : Premier (Diviseurs : 1 et 109)
- 111 : Pas premier (divisible par 3 et 37)
Liste finale des nombres premiers:
Les nombres premiers sont : 17, 23, 43, 47, 61, 109
Les nombres à encercler (nombres premiers):
17, 23, 43, 47, 61, 109
Ce sont les nombres premiers de la liste !
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