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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! 

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

Students will match a product to its factor tree and list of prime factors in this interactive activity.

From multi-digit subtraction to identifying prime numbers, assess each student’s mastery of a variety of fourth-grade math skills.

Children practice identifying factors with the help of a factor tree in this multiplication worksheet.

What treasure will you find at the end of these rainbows? Factor pairs, of course!