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2026-10-20 16:04:38 +02:00
parent bf705d701d
commit 0f9049cfa5
36 changed files with 527 additions and 6 deletions
@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+    int n;
+    int i;
+    int est_premier;
+
+    printf("Entrez un entier naturel : ");
+    scanf("%d", &n);
+
+    if (n < 2) {
+        est_premier = 0;
+    } else {
+        est_premier = 1;
+        for (i = 2; i * i <= n; i++) {
+            if (n % i == 0) {
+                est_premier = 0;
+                i = n;
+            }
+        }
+    }
+
+    if (est_premier) {
+        printf("%d est un nombre premier.\n", n);
+    } else {
+        printf("%d n'est pas un nombre premier.\n", n);
+    }
+
+    return EXIT_SUCCESS;
+}