## Algebra 1: Common Core (15th Edition)

The prime factorization is $$3 \times 3 \times 3$$ or $$3^3$$
Using the factor tree, you will realize that 27 is just $3$ multiplied by itself $3$ times. So the prime factorization is either $$3 \times 3 \times 3$$ or $$3^3$$