Greatest Common Factor Worksheet

By | September 9, 2025

Are you looking for a fantastic resource to help students master the concept of the Greatest Common Factor (GCF)? Look no further! Our Greatest Common Factor worksheet is designed to provide comprehensive practice and build a solid understanding of this essential mathematical skill. Whether you’re a teacher searching for engaging classroom activities, a homeschooling parent reinforcing concepts at home, or a student seeking extra practice, this worksheet is the perfect tool for you.

Understanding the Greatest Common Factor is crucial for several reasons. It’s a fundamental building block for simplifying fractions, solving algebraic equations, and tackling more advanced mathematical concepts. When students have a firm grasp of GCF, they can approach these tasks with greater confidence and efficiency. This worksheet offers a variety of problems to cater to different learning styles and skill levels, ensuring that every student can find success.

This worksheet focuses on finding the GCF of two or more numbers. Students will be asked to list the factors of each number and then identify the largest factor that they have in common. This process helps solidify their understanding of factors and multiples, while also reinforcing the connection between multiplication and division. The worksheet also includes problems that require students to apply their understanding of prime factorization to find the GCF, providing an extra layer of challenge for more advanced learners.

The benefits of using this GCF worksheet extend beyond just academic improvement. By working through these problems, students develop critical thinking skills, problem-solving abilities, and a deeper appreciation for the patterns and relationships within numbers. They also learn to be more organized and methodical in their approach to mathematical tasks, which is a valuable skill that will serve them well in all areas of their lives.

What you’ll find in this Greatest Common Factor Worksheet:

  • A variety of GCF problems, ranging in difficulty to cater to different skill levels.
  • Clear and concise instructions to ensure students understand the task at hand.
  • Space for students to show their work, promoting clear and organized thinking.
  • A focus on understanding the concepts behind GCF, not just memorizing procedures.
  • An answer key for easy grading and self-assessment. (See below!)

How to Use This Worksheet Effectively:

To maximize the benefits of this worksheet, consider the following tips:

  • Begin by reviewing the definition of GCF and providing examples.
  • Work through the first few problems together as a class or one-on-one to ensure students understand the process.
  • Encourage students to show their work and explain their reasoning.
  • Use the answer key to provide timely feedback and identify areas where students may need additional support.
  • Differentiate instruction by assigning different problems based on student skill level.
  • Use the worksheet as a formative assessment tool to track student progress and inform future instruction.

This worksheet is designed to be a flexible and adaptable resource that can be used in a variety of settings. Whether you’re using it as a classroom activity, a homework assignment, or a tool for independent practice, it’s sure to help your students develop a strong understanding of the Greatest Common Factor.

Ready to get started? Download the worksheet and let the learning begin! And remember, understanding GCF is a valuable step towards unlocking greater mathematical understanding and confidence.

Answer Key for Greatest Common Factor Worksheet

Below you’ll find the answer key to the GCF worksheet. This key is intended for use by educators or parents to check the work of students. Please note that the specific problems on the worksheet may vary, but the general principles of finding the GCF remain the same. For brevity, let’s assume a worksheet with the following problems:

  1. GCF(12, 18)
  2. GCF(24, 36)
  3. GCF(15, 25)
  4. GCF(42, 63)
  5. GCF(10, 35)
  6. GCF(48, 72)
  7. GCF(9, 27)
  8. GCF(20, 30, 40)
  9. GCF(16, 24, 32)
  10. GCF(14, 28, 42)

Here are the answers:

  • 1. GCF(12, 18): 6
  • 2. GCF(24, 36): 12
  • 3. GCF(15, 25): 5
  • 4. GCF(42, 63): 21
  • 5. GCF(10, 35): 5
  • 6. GCF(48, 72): 24
  • 7. GCF(9, 27): 9
  • 8. GCF(20, 30, 40): 10
  • 9. GCF(16, 24, 32): 8
  • 10. GCF(14, 28, 42): 14

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Highest Common Factor Worksheet | Printable Maths Worksheets

Highest Common Factor Worksheet | Printable Maths Worksheets

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Gcf_TWQNQ Interactive Worksheet – Edform – Worksheets Library

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Greatest Common Factor GCF of Polynomials Worksheet: Math Message

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Factoring Trinomials With Greatest Common Factor Worksheet

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Greatest Common Factor (GCF) Worksheet | PDF Printable Operations

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Greatest Common Factor Worksheets Grade 5 Pdf

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Greatest Common Factor GCF Worksheets - Worksheets Library

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Finding Greatest Common Factors(GCF/HCF) Worksheets Math, 55% OFF

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11 Fractions Greatest Common Factors Worksheet Worksheeto

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Greatest Common Factor Worksheet page - Worksheets Library

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16 Factoring Polynomials Practice Worksheet And Answers - Free PDF at

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Finding Highest common factor worksheets - Math Worksheets - MathsDiary.com

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Greatest Common Factor Worksheet Printable

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Greatest Common Factor Worksheet Printable

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Factoring Using Greatest Common Factor Worksheet Worksheet G

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Factoring Using Common Factors Worksheet - FactorWorksheets.com

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Finding Highest common factor worksheets - Math Worksheets - MathsDiary.com

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Year 7 Highest Common Factor Worksheet

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Greatest Common Factor Worksheet - FactorWorksheets.com

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Greatest Common Factor Worksheet Grade 4

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