How can you use properties of multiplication to determine what the factors are?

 
Factors can be multiplied together to get the original number.
For example here are the factors of 66.

1 and 66. 2 and 33. 3 and 22. 6 and 11.

1 multiplied by 66 results in the original number 66.

2 multiplied by 33 results in the original number 66.

3 multiplied by 22 results in the original number 66.

6 multiplied by 11 results in the original number 66.

Hope this helped you C: