K8 Worksheets

Greatest Common Factor (GCF) Worksheets

Treat children to our free greatest common factor worksheets! From beginners working with numbers 1-10 to tackling larger values in advanced levels, these GCF exercises help children easily find and list the common factors and then identify the largest number that divides the numbers without leaving a remainder.

Finding Common Factors

Finding Common Factors 1
Worksheet 1 Answer Key

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Finding Common Factors 2
Worksheet 2 Answer Key

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Finding Common Factors 3
Worksheet 3 Answer Key

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Finding Common Factors 4
Worksheet 4 Answer Key

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Finding GCF

Finding GCF 1
Worksheet 1 Answer Key

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Finding GCF 2
Worksheet 2 Answer Key

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Finding GCF 3
Worksheet 3 Answer Key

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Finding GCF 4
Worksheet 4 Answer Key

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Finding GCF of Two Numbers

Finding GCF of Two Numbers 1
Worksheet 1 Answer Key

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Finding GCF of Two Numbers 2
Worksheet 2 Answer Key

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Finding GCF of Two Numbers 3
Worksheet 3 Answer Key

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Finding GCF of Two Numbers 4
Worksheet 4 Answer Key

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Finding GCF of Three Numbers

Finding GCF of Three Numbers 1
Worksheet 1 Answer Key

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Finding GCF of Three Numbers 2
Worksheet 2 Answer Key

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Finding GCF of Three Numbers 3
Worksheet 3 Answer Key

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Finding GCF of Three Numbers 4
Worksheet 4 Answer Key

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