C# 求最小公倍数

public int GetGBS(int num1, int num2)
{
	int temp, a, b;
	if (num1 < num2)
	{
		temp = num1;
		num1 = num2;
		num2 = temp;
	}
	a = num1;
	b = num2;
	while (b != 0)
	{
		temp = a % b;
		a = b;
		b = temp;
	}
	return num1 * num2 / a;
}