Express the monomial as a product of its factors.

Express 40 as a product of  1 · 2 · 2 · 2 · 5.

40m²n =  1 · 2 · 2 · 2 · 5 · m² · n

Express m² as a product of m · m

40m²n =  1 · 2 · 2 · 2 · 5 · m · m · n

The factor of 40m²n =  1 · 2 · 2 · 2 · 5 · m · m · n.