They are land, labor, capital and enterprise. Land natural planet resources, labor human input, capital man made physical goods, enterprise would be entrepreneurs which are ideas. Good luck on the homework.
Land is the first factor. Next is labor including all human resources. Then we have capital including all man made resources and then enterprise which brings all the previous resources together for production. Production is also a factor in its own way but by definition the above list is the four factors.
In modern economics, the four factors of production are natural resources (land), human resources (labor), capital resources (machines, supplies, etc), and entrepreneurship (business management).