Free Greatest Common Factor Worksheet

Ten greatest-common-factor problems with a clean answer key, ready to print.

Answer key included

Name: Date:

Greatest Common Factor

Find the greatest common factor of

35

and

56

Find the greatest common factor of

16

and

24

Find the greatest common factor of

22

and

55

Find the greatest common factor of

24

and

27

Find the greatest common factor of

24

and

108

Find the greatest common factor of

25

and

30

Find the greatest common factor of

36

and

60

Find the greatest common factor of

21

and

28

Find the greatest common factor of

18

and

24

10.

Find the greatest common factor of

33

and

88

Name: Answer KeyDate:

Greatest Common Factor

Find the greatest common factor of

35

and

56

Answer:

7

Find the greatest common factor of

16

and

24

Answer:

8

Find the greatest common factor of

22

and

55

Answer:

11

Find the greatest common factor of

24

and

27

Answer:

3

Find the greatest common factor of

24

and

108

Answer:

12

Find the greatest common factor of

25

and

30

Answer:

5

Find the greatest common factor of

36

and

60

Answer:

12

Find the greatest common factor of

21

and

28

Answer:

7

Find the greatest common factor of

18

and

24

Answer:

6

10.

Find the greatest common factor of

33

and

88

Answer:

11

Scroll to see all 10 problems and the answer key on its own page. Printing includes every page.

About this worksheet

Students find the GCF of two numbers — the skill behind reducing fractions and factoring out a common factor later in Algebra. A quick, high-value number-sense drill.

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Free Greatest Common Factor Worksheet

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