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Greatest Common Factor (GCF) Worksheets

A large collection of GCF worksheets is meticulously drafted for students in grades 6 through 8. GCF is also known as 'greatest common divisor'(GCD), 'highest common factor'(HCF), 'greatest common measure'(GCM) or 'highest common divisor'(HCD). Download and print these GCF worksheets to find the GCF of two numbers, three numbers, monomials, and polynomials. Employ our Venn diagram worksheets for better understanding of GCF.

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GCF: Descriptive

List the factors for each pair of numbers. Then, compare to determine the GCF of the two numbers. Worksheets are categorized into three levels based on the range of numbers.

GCF of two numbers: Standard

Use the prime factorization method to find the GCF for each pair of numbers. This batch of multi-level worksheets contain a total of 150 problems. Use the answer key to validate your solutions.

GCF of two numbers: Venn diagram

Write down the factors for each pair of numbers in the Venn diagram. Then, list out the common factors in the intersection. The largest factor listed in the overlapping region is the GCF.

Simplify fractions using GCF

Find the GCF for the numerator and the denominator of the given fraction in this set of worksheets. Then, reduce the fraction to its lowest term by dividing the numerator and denominator by the GCF.

GCF of three numbers: Standard

In this batch of worksheets, determine the GCF for the set of three numbers. Apply prime factorization method to list out the common factors. Multiply the common factors to obtain the GCF of the three numbers.

GCF of monomials

Find the greatest common factor of each pair of monomials. The worksheets are categorized into two levels, easy and moderate.

GCF of polynomials

Find the GCF of each pair of polynomials. Students must have a strong knowledge in factoring polynomials to solve these GCF worksheets.

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