diff --git a/CODE in C/Mathematical/factorial_recursion.c b/CODE in C/Mathematical/factorial_recursion.c
new file mode 100644
index 0000000..041629c
--- /dev/null
+++ b/CODE in C/Mathematical/factorial_recursion.c	
@@ -0,0 +1,19 @@
+#include<stdio.h>
+long int factorial(int n){
+    if (n<=1)
+        return 1;
+    else
+    {
+        return factorial(n-1)*n;
+    }
+    
+}
+
+int main(){
+    int n;
+    long int fact;
+    printf("Enter number : ");
+    scanf("%d",&n);
+    fact = factorial(n);
+    printf("Factorial of %d is %li.\n",n,fact);
+}
\ No newline at end of file