19) Complete the prime factorization of the numbers by filling in the factor tree.
39
13
![19 Complete the prime factorization of the numbers by filling in the factor tree 39 13 class=](https://us-static.z-dn.net/files/d10/5fc13223eec40044ca99d5acc8705514.png)
Answer: 3
Step-by-step explanation:
The number that is missing is the number 3, because 39 = 13 × 3.