Dim currentNumber as Integer Dim primeChecker as Integer Dim primeCounter as Integer Dim foundCounter as Integer currentNumber = Convert.ToInt32(testBox.Text) + 1 foundCounter = 0 Do While foundCOunter < 5 primeChecker = currentNumber - 1 primeCounter = 0 Do While primeChecker > 1 And primeCounter = 0 If currentNumber % primeChecker = 0 Then primeCounter = primeCounter + 1 End If primeChecker = primeChecker - 1 Loop If primeCounter = 0 Then listOutput.Items.Add(currentNumber.ToString()) End If currentNumber = currentNumber + 1 Loop