diff --git a/primenumber.cpp b/primenumber.cpp
index c4d465c..4603a0b 100644
--- a/primenumber.cpp
+++ b/primenumber.cpp
@@ -1,10 +1,26 @@
 #include<bits/stdc++.h>
 using namespace std;
 
-//write a function to print prime numbers from 1 to 100 and call it in the main function
+bool isPrime(int n) {
+    if (n <= 1) return false;
+    for (int i = 2; i <= sqrt(n); i++) {
+        if (n % i == 0) return false;
+    }
+    return true;
+}
+
+void printPrimeNumbers() {
+    for (int i = 1; i <= 100; i++) {
+        if (isPrime(i)) {
+            cout << i << " ";
+        }
+    }
+    cout << endl;
+}
 
 int main() {
 
     //call the function here
+    printPrimeNumbers();
     return 0;
 }