Question

How to calculate power for large numbers in VB.NET

Answer 1

Imports System.Numerics

Class Program
    Public Shared Function PowerBigInteger(ByVal baseValue As Integer, ByVal exponent As Integer) As BigInteger
        Return BigInteger.Pow(New BigInteger(baseValue), exponent)
    End Function

    Public Shared Sub Main(ByVal args As String())
        Dim baseValue As Integer = 2, exponent As Integer = 15
        Console.WriteLine("2^15 = {0}", PowerBigInteger(baseValue, exponent))

        baseValue = 2
        exponent = 100
        Console.WriteLine("2^100 = {0}", PowerBigInteger(baseValue, exponent))
    End Sub
End Class




' run:
'
' 2^15 = 32768
' 2^100 = 1267650600228229401496703205376
'

 

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