diff --git a/isPrime.c b/isPrime.c
new file mode 100644
index 0000000..648548c
--- /dev/null
+++ b/isPrime.c
@@ -0,0 +1,30 @@
+#include <stdio.h>
+
+int main() {
+
+    int num;
+    int i;
+    int flag = 0;
+
+    printf("Enter number: ");
+    scanf("%d", &num);
+
+    for(i = 2; i <= num/2; i++) {
+        if(num%i == 0) {
+            flag = 1;
+            break;
+        }
+    }
+
+    if (num == 1) {
+        printf("1 is not prime\n");
+    } else {
+        if (flag == 0) {
+            printf("%d is prime\n", num);
+        } else {
+            printf("%d is not prime\n", num);
+        }
+    }
+
+    return 0;
+}
\ No newline at end of file