Become a GCF master with this math worksheet! Practice finding the greatest common factor of 2 or 3 numbers ranging all the way up to 100.

Identify the greatest common factor of two numbers with this colorful sixth-grade worksheet!

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

Use the concept of area to help find the greatest common factor in this sixth-grade worksheet!

Find the greatest common factor (GCF) using the prime factorization method with this sixth-grade practice worksheet!

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

Give your students practice finding the greatest common factor (GCF) with this fun code-breaking worksheet!

Finding the greatest common factor is great fun in this color by numbers worksheet!

Give your learners practice finding the greatest common factor (GCF) and the least common multiple (LCM) with this fun code-breaking worksheet!

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