There are 44 students in Class 1 and 46 students in Class 2 of the fifth grade. Each class is required to participate in tree planting activities in groups. If the number of people in each group of the two classes must be the same, how many people can each group have at most?
五年级一班有44人，二班有46人，要求各班分组参加植树活动，如果两个班每组的人数必须相同，每组最多有多少人？
<result>2</result>