Prime Factorization of 243:

Express the composite number as a product of its prime factors.

Draw the possible factor trees.

The prime factorization of 243 is  3 · 3 · 3 · 3 · 3.  or 3⁵.

Note: Both trees give same reuslt. Prime facots are unique to a particular number.

The prime factorization of 243 is  3 · 3 · 3 · 3 · 3.  or 3⁵.