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- #include<stdio.h>
- int main()
- {
- int k = 0, x , y = 0;
- printf("Entrez un nombre entier plus grand que 0: ");
- scanf("%d" , &k);
- for (x = 1; x * x <= k && y == 0; x++)
- {
- if(k == 1)
- {
- y = 1;
- }
- if(!(k % x))
- {
- y = 1;
- }
- }
- if (y == 1)
- {
- printf("%d n'est pas premier.\n" , k);
- }
- else
- printf("%d est premier.\n" ,k);
- return 0;
- }
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