Gerador de CPF Válido

CPFHelper.linqpad

void Main()
{
	var v = new CPFHelper().Ramdom(762).Dump();
}

// Define other methods and classes here


public class CPFHelper
{


	public string GeraDV(string cpf)
	{
		string digito = String.Empty;
		int k, j, soma;
		
		for (k = 0; k < 2; k++)
		{
			soma = 0;
			for (j = 0; j < 9 + k; j++) soma += int.Parse(cpf[j].ToString()) * (10 + k - j);
			digito += (soma % 11 == 0 || soma % 11 == 1) ? 0 : (11 - (soma % 11));
			cpf+=digito;
		}
		
		return digito;
	}
	
	
	public IEnumerable<string> Ramdom(int qtd)
	{
		var rnd = new Random();
		for(var i = 0; i< qtd-1;i++)
		{
			var n  = rnd.Next(100000000,999999999);
			yield return n.ToString() + GeraDV(n.ToString());
		}
	}

}