# Determining common factors

## Everything You Need in One PlaceHomework problems? Exam preparation? Trying to grasp a concept or just brushing up the basics? Our extensive help & practice library have got you covered. | ## Learn and Practice With EaseOur proven video lessons ease you through problems quickly, and you get tonnes of friendly practice on questions that trip students up on tests and finals. | ## Instant and Unlimited HelpOur personalized learning platform enables you to instantly find the exact walkthrough to your specific type of question. Activate unlimited help now! |

#### Make math click 🤔 and get better grades! 💯Join for Free

Get the most by viewing this topic in your current grade. __Pick your course now__.

##### Intros

##### Examples

###### Lessons

- What are the factors of 20?
- What are the common factors of each pair of numbers?
- Margaret has 45 balloons and 60 lollipops. She wants to put together goody bags for her birthday party that have the same numbers of balloons and lollipops in each bag. What is the greatest number of goody bags that she can put together?
- Michelle has 12 red flowers, 28 blue flowers, and 36 yellow flowers. She wants to make bouquets with the same number of each color of flower in each bouquet. What is the greatest number of bouquets she can make?