###### Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

##### Thank you for watching the video.

To unlock all 5,300 videos, start your free trial.

# Prime Factorization - Problem 3

Alissa Fong
###### Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

Share

The area of a rectangle is calculated by length times width. we are given the two side lengths, or dimensions, of a rectangle and asked to find the largest side of a square that could fit into the rectangle. We can find this side length by finding the greatest common factor. Here, we'll use factor trees to find the GCF and then check our work by making sure the squares "fit" into both rectangular side lengths.

Transcript Coming Soon!