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Prime Number in VB.NET. | Check Prime Number Or Not Prime Number in VB.NET.

CODEING:
Public Class Form1
   Dim i As Integer = 2
    Dim k As Integer = 0
    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        While i <= NumericUpDown1.Value / 2 And k = 0
            If NumericUpDown1.Value Mod i = 0  Then
               k = 1
            else
               i += 1
            End If
        End While
        If k = 0 Then
            MsgBox(NumericUpDown1.Value & " is Prime Number")
        Else
            MsgBox(NumericUpDown1.Value & " is not Prime Number")
       End If
    End Sub
End Class

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