Add Primes Number Finding Task

src/main/java/task/TaskPrimeNumbers.java

+package task;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class TaskPrimeNumbers extends TaskImpl {
+
+    @Override
+    public void execute() {
+        try {
+
+	    // The input will be the upper limit for prime generation		
+            int upperLimit = Integer.parseInt(input); 
+            List<Integer> primes = generatePrimes(upperLimit);
+
+            // Write the result as string
+            result = "Found " + primes.size() + " prime numbers up to " + upperLimit;
+        } catch (NumberFormatException e) {
+            result = "Invalid input, Please provide a valid number as the upper limit of the interval.";
+        }
+    }
+
+    // this function to generate prime numbers up to a certain limit
+    private List<Integer> generatePrimes(int limit) {
+        List<Integer> primes = new ArrayList<>();
+        for (int i = 2; i <= limit; i++) {
+            if (isPrime(i)) {
+                primes.add(i);
+            }
+        }
+        return primes;
+    }
+
+    // this function to check if a number is prime
+    private boolean isPrime(int number) {
+        if (number <= 1) return false;
+        for (int i = 2; i <= Math.sqrt(number); i++) {
+            if (number % i == 0) return false;
+        }
+        return true;
+    }
+}