Greatest Common Factor Worksheets

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  4. Greatest Common Factor

Our greatest common factor worksheets walk children through the concept step by step, kicking into gear from spotting the common factors and pressing on through factoring the numbers, visualizing the factors using Venn diagrams, and employing the division method to determine the GCF of two and three numbers. Each pdf is equipped with an answer key. Our free worksheets are worth a try!

Finding GCF by Listing Common Factors | Easy

The highest common factor or the greatest common divisor is the greatest number that divides the two whole numbers. Prep to find them with this bundle of practice sheets.

Finding GCF by Listing Common Factors - Easy

Finding GCF by Listing Common Factors | Moderate

Engrossing and moderately challenging, this set of printables goes the extra mile in preparing the children in grade 5 and grade 6 to determine the greatest common factor of two-digit numbers.

Finding GCF by Listing Common Factors - Moderate

Finding GCF by Listing Common Factors | Difficult

Complete the prime factorization for each number and identify the factors common to both numbers. Figure out the highest common factor by multiplying the common factors.

Finding GCF by Listing Common Factors - Difficult

GCF of Two Numbers

These GCF of two numbers worksheets feature pairs of whole numbers up to 100. Make factor trees for the pairs, and identify the common prime factors to arrive at their GCFs.

GCF of Two Numbers
  • Easy
  • Moderate

GCF of Three Numbers

Calculating factors common to all three numbers and multiplying them to obtain the GCD is no child’s play ! Provide consistent practice with our worksheets on GCF of three numbers.

GCF of Three Numbers
  • Easy
  • Moderate

GCF Using Venn Diagrams

This bundle of GCF worksheets using Venn diagrams requires students to list the factors of each number in the individual circle of the Venn Diagram and write down the common factors in the intersection part. Multiply the factors to obtain the GCF.

GCF Using Venn Diagrams
  • Easy
  • Moderate

GCF and Distributive Property

Yet another intuitive approach to conceiving the concept! Work out the GCF, and rewrite each expression as the product of the GCF and a sum using the distributive property.

GCF and Distributive Property

GCF and LCM Word Problems

Keen to explore the real-world application of GCF? Here comes our exhilarating bundle of word problems that require the 6th grade and 7th grade learners to decide whether GCF or LCM would solve them.

GCF and LCM Word Problems