GCF of any set of numbers

GCF.cs

void Main()
{
	FindGCF(154875, 137688, 182664).Dump();
}

int FindGCF(params int[] nums)
{
	return nums.Aggregate((result, num) => GCF(result, num));
}

int GCF(int num1, int num2)
{
	if (num2 == 0)
	{
		return num1;
	}
	
	return GCF(num2, num1 % num2);
}