4th Grade Math Worksheets: Factoring

Factoring worksheets from K5 Learning

These worksheets ask students to find all the factors of different sized numbers.  Prime factors trees are also introduced. These math worksheets complement our K5 Math online math program.


Find the factors of a number between 4 and 50
Find the factors of a number between 4 and 100
Prime factor trees  

Prime factors

Divisibility rules  


Multiples of whole numbers

Grade 4 Factoring Worksheet

Sample Grade 4 Factoring Worksheet

More factoring & prime factors worksheets

Explore all of our factoring worksheets, from factoring numbers under 50 to prime factor trees, GCFs and LCMs.

What is K5?

K5 Learning offers reading and math worksheets, workbooks and an online reading and math program for kids in kindergarten to grade 5.  We help your children build good study habits and excel in school.