GCF(Greatest Common Factor) Worksheets

Welcome to the world of Greatest Common Factor (GCF) or Highest Common Factor (HCF)! Our GCF Worksheets for Grade 5 are designed to help students master the concept of finding the greatest common factor of two or more numbers. With our printable worksheets, students will engage in interactive exercises that strengthen their skills in identifying and working with the GCF, making their mathematical journey even more exciting.

Download the Printable GCF (Greatest Common Factor) Worksheets

Click here to access the printable GCF Worksheets for Grade 5. These worksheets offer a diverse range of problems and practice activities that will enhance students’ ability to find the greatest common factor. From identifying common factors to solving problems using the GCF, this downloadable resource will make the concept of GCF come alive for your students.

  • GCF of 2 Numbers(1 – 50)
  • GCF of 2 Numbers(1 – 100)

GCF of 2 Numbers(1 – 50)

Below are our grade 5 GCF of 2 numbers from 1 to 50 worksheets.

GCF of 2 Numbers(1 – 100)

Below are our grade 5 GCF of 2 numbers from 1 to 100 worksheets.

GCF or HCF Worksheets Benefits

Our GCF or HCF Worksheets provide several benefits for Grade 5 students. Here are the key advantages:

  1. Conceptual Understanding: The worksheets focus on developing a strong conceptual understanding of the GCF or HCF. Students will learn to identify common factors and determine the largest factor that two or more numbers share. This deepens their understanding of the relationship between numbers and their factors.
  2. Problem Solving: The worksheets include problem-solving scenarios that require applying the concept of GCF or HCF. By engaging with these problems, students develop critical thinking skills, logical reasoning abilities, and problem-solving strategies that extend beyond finding the GCF. These skills are valuable for various mathematical and real-world applications.
  3. Mathematical Operations: Understanding the GCF or HCF helps students in simplifying fractions, finding equivalent fractions, and working with ratios and proportions. Proficiency in finding the GCF or HCF lays a strong foundation for more advanced mathematical topics such as prime factorization, least common multiple, and simplifying algebraic expressions.
  4. Mathematical Connections: Knowledge of the GCF or HCF connects various mathematical concepts and operations. It helps students understand the relationship between factors and multiples, primes and composites, and provides a bridge to more complex mathematical ideas.

Why Students Must Know to Find HCF or GCF

Knowing how to find the Greatest Common Factor (GCF) or Highest Common Factor (HCF) is essential for Grade 5 students. Here’s why it’s important:

  1. Simplifying Fractions: Finding the GCF or HCF is crucial for simplifying fractions. By dividing both the numerator and denominator by the GCF, students can express fractions in their simplest form, making them easier to work with in mathematical operations.
  2. Equivalent Fractions: The GCF or HCF helps students determine the common factor that can be used to generate equivalent fractions. This knowledge allows students to compare and combine fractions effectively.
  3. Prime Factorization: Finding the GCF or HCF requires understanding prime factorization, where numbers are expressed as products of their prime factors. Proficiency in prime factorization opens the door to more advanced mathematical concepts and simplifies complex calculations.
  4. Problem Solving: The ability to find the GCF or HCF is essential in solving real-world problems that involve quantities, ratios, and proportions. It helps students make sense of data, compare quantities, and find efficient solutions.


Understanding the Greatest Common Factor (GCF) or Highest Common Factor (HCF) is a vital skill for Grade 5 students. Our GCF Worksheets provide an invaluable resource to develop a strong foundation in finding the GCF, enhance problem-solving skills, and foster a deeper understanding of mathematical relationships. Download the worksheets today and empower your Grade 5 students with the confidence to unlock the power of GCF in their mathematical journey.