Express the monomial as a product of its factors.
Express 5 as a product of 1 · 5.
5xy2 = 1 · 5 · x · y2
Express y2 as a product of y · y
5xy2 = 1 · 5 · x · y · y
The factor of 5xy2 is 1 · 5 · x · y · y.