Express the monomial as a product of its factors.

Express 28 as a product of   2 · 2 · 7.     

28x²y  =  2 · 2 · 7 · x · x · y            (Express x² as a product of x · x)

The factors of 28x²y is   2 · 2 · 7 · 3 · x · x · y.