Question

What is the prime factorization of 81m 2x 3?

3 3 · m · x
3 3 · m 2 · x 3
9 2 · m 2 · x 3
3 4 · m 2 · x 3

Answer 1

81 m^2 x^3 = 81 · m^2 · x^3 and 81 = 3^4, so the prime factorization is 3^4 · m^2 · x^3. (Option 4)