diff --git a/SeiveOfEratosthenes.cpp b/SeiveOfEratosthenes.cpp
new file mode 100644
index 0000000..0c9c2aa
--- /dev/null
+++ b/SeiveOfEratosthenes.cpp
@@ -0,0 +1,28 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+void SeiveOfEratosthenes ( int n){
+	int arr[n+1] = {0};
+	
+	for( int i = 2; i*i <= n; i++){
+		if( arr[i] == 0){
+			for( int j = i*i; j <= n; j += i )
+				arr[j] = 1;
+		}
+	}
+	
+	for (int i = 2; i<=n; i++){
+		if(arr[i] == 0)
+		cout << i << " ";
+	}
+	
+}
+
+
+int main(){
+	int n = 100;
+	cout << "The prime numbers smaller than or equal to " << n << " are : "<<endl;
+	SeiveOfEratosthenes(n);
+	return 0;
+}