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How to calculate the first N (random up to 100) prime numbers in VB.NET

1 Answer

0 votes
Module Module1

    Sub Main()

        Dim Generator As System.Random = New System.Random()
        Dim n As Integer = Generator.Next(1, 100)

        If n >= 1 Then
            Console.WriteLine("First {0} prime numbers are:", n)
            Console.WriteLine("2")
        End If

        Dim prime As Integer = 3
        Dim numbers As Integer = 2
        Dim i As Integer

        While numbers <= n
            For i = 2 To prime
                If prime Mod i = 0 Then
                    Exit For
                End If
            Next
            If i = prime Then
                Console.WriteLine("{0}", prime)
                numbers = numbers + 1
            End If
            prime = prime + 1
        End While

    End Sub

End Module

' run:
' 
'First 37 prime numbers are:
'2
'3
'5
'7
'11
'13
'17
'19
'23
'29
'31
'37
'41
'43
'47
'53
'59
'61
'67
'71
'73
'79
'83
'89
'97
'101
'103
'107
'109
'113
'127
'131
'137
'139
'149
'151
'157

 



answered May 9, 2016 by avibootz

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