diff --git a/C/Greatesr_Common_Divisor.c b/C/Greatesr_Common_Divisor.c
new file mode 100644
index 0000000..c092163
--- /dev/null
+++ b/C/Greatesr_Common_Divisor.c
@@ -0,0 +1,15 @@
+#include<stdio.h>
+void main()
+{  int n1,n2,t,i;
+   printf("Enter The Two Numbers \n");
+   scanf("%d%d",&n1,&n2);
+   if(n2>n1)
+   {t = n1;
+    n1= n2;
+    n2 = t;}
+    for(i = n2;i>0;i--)
+    {if(n1%i==0&&n2%i==0)
+    {  printf("%d \n",i);
+        break;}
+}
+}