BigInteger in Silverlight

How would I be able to get a "BigInt开发者_JS百科eger" class for use in Silverlight?

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What revision of Silverlight?

It doesn't exist pre Silverlight 4, but have a look in System.Numerics if you are running SL4.

(System.Numerics.BigInterger : http://msdn.microsoft.com/en-us/library/system.numerics.biginteger%28VS.95%29.aspx)