C

DeitelC/Chapter3/IsPrime.c

@@ -0,0 +1,28 @@
+#include <stdio.h>
+
+void isPrime(int number) {
+int a = 1;
+int count = 0;
+
+while (a < number) {
+	if(number%a == 0) {
+	count += 1;
+	a++;
+    } else {
+        a++;
+    }
+}
+
+if(count == 1) {
+	printf("%s\n", "Yes it's a Prime");
+
+    } else {
+	printf("%s\n", "No it isn't a Prime");
+    }
+}
+int main(void) {
+    int number;
+    printf("%s\n", "Enter a integer!");
+    scanf("%d", &number);
+    isPrime(number);
+}