How to Get Prime Numbers in VB.Net

Submitted by janobe on Friday, October 5, 2018 - 18:55.

Now, let’s create a simple program which is how to get prime numbers in VB.Net. You will learn here how to easily determine the prime numbers between 1 to 100. This simple program is also powerful that you can use to test large numbers to see if they are “prime”. Just follow the steps below.

Creating Application

Step 1

Open Microsoft Visual Studio 2015 and create a new windows form application. Then, add a Button and a Label in the Form just like shown below. prime21

Step 2

Double click the Button to fire the click event handler of it and do the following codes for getting the prime numbers from 1 to 100.

    Dim prime, numbers, i As Integer
        prime = 1
        MsgBox(“The prime Numbers are : ”)
        For numbers = 1 To 100
            For i = 2 To numbers - 1
                If numbers Mod i = 0 Then
                    prime = 0
                    Exit For
                Else
                    prime = 1
                End If
 
            Next
            If prime = 1 Then
                MsgBox(numbers)
            End If
        Next

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