Use this number theory worksheet to practice finding the greatest common factor of two numbers by finding the prime factorization! 

Learn to determine the greatest common factor of a set of numbers in this sixth-grade worksheet!

Grow students’ math skills with more practice finding the greatest common factor by using factor trees to find the prime factorization.

Test your ability to find the greatest common factor (GCF) of a set of numbers with this worksheet!

Master determining the greatest common factor (GCF) of a set of numbers with this inviting worksheet!