static void Main(string[] args)
{
BigInt i = new BigInt(132);
BigInt j = new BigInt(999999999);
BigInt k = new BigInt("1234567890123456798");
Console.WriteLine(i);
Console.WriteLine(j);
Console.WriteLine(k);
Console.WriteLine(k + j);
Console.WriteLine(j * j);
Console.WriteLine(j / new BigInt(81));
Console.WriteLine(1000 % i);
Console.WriteLine(j.Sqrt());
Console.WriteLine(k / j);
Console.WriteLine(k % j);
Console.WriteLine((k / j) * j + (k % j) == k);
BigInt prod = 1;
foreach (BigInt val in j.Factors())
{
Console.Write($"{val}, ");
prod *= val;
}
Console.WriteLine(prod);
}
