diff --git a/Code/SeiveOfEratosthenis b/Code/SeiveOfEratosthenis
new file mode 100644
index 0000000..df19398
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+++ b/Code/SeiveOfEratosthenis
@@ -0,0 +1,23 @@
+def SieveOfEratosthenes(n): 
+       
+    prime = [True for i in range(n + 1)] 
+    p = 2
+    while (p * p <= n): 
+          
+        if (prime[p] == True): 
+              
+            for i in range(p * 2, n + 1, p): 
+                prime[i] = False
+        p += 1
+    prime[0]= False
+    prime[1]= False
+
+    for p in range(n + 1): 
+        if prime[p]: 
+            print p, 
+  
+if __name__=='__main__': 
+    n = 30
+    print "Following are the prime numbers smaller", 
+    print "than or equal to", n 
+    SieveOfEratosthenes(n)