diff --git a/prime.c b/prime.c
new file mode 100644
index 0000000..2c3d40c
--- /dev/null
+++ b/prime.c
@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <math.h>
+#include <time.h>
+
+int is_prime(int n) {
+    if (n <= 1)
+        return 0;
+    
+    for (int i=2, end=sqrt(n); i <= end; i++) {
+        if (n % i == 0) {
+            return 0;
+        }
+    }
+    return 1;
+}
+
+int main() {
+    clock_t start = clock();
+    int c = 0;
+    for (int i = 0; i < 9000000; i++) {
+        if (is_prime(i))
+            c += 1;
+    }
+    printf("Found %d Prime Number\n", c);
+    printf("in %ldms\n", (clock() - start)/1000);
+    return 0;
+}
diff --git a/run.sh b/run.sh
index 47e7148..ddf2eec 100755
--- a/run.sh
+++ b/run.sh
@@ -1,4 +1,16 @@
 
+echo "*--- c native (opt-level=3) ----*"
+gcc --version | head -n 1
+gcc prime.c -o prime -lm
+
+sleep 5 # cpu cool down
+
+./prime
+rm ./prime
+echo "" 
+
+
+
 echo "*--- c++ native (opt-level=3) ----*"
 g++ --version | head -n 1
 g++ prime.cpp -o prime -g -O3