Greatest common factor worksheet

See below how you can print this worksheet about the greatest common factor.

1.     3, 6

Factors of 3:   ________________________

Factors of 6:  ________________________

GCF(3, 6) =    ___________

2.     8, 12

Factors of 8:   ________________________

Factors of 12:  ________________________

GCF(8, 12) =    ___________

3.     25, 30

Factors of 25:   ________________________

Factors of 30:  ________________________

GCF(25, 30) =    ___________

4.     18, 30

Factors of 18:   ________________________

Factors of 30:  ________________________

GCF(18, 30) =    ___________

5.     35, 42

Factors of 35:   ________________________

Factors of 42:  ________________________

GCF(35, 42) =    ___________

6.    20 , 10

Factors of 20:   ________________________

Factors of 10:  ________________________

GCF(20, 10) =    ___________

7.     2, 5

Factors of 2:   ________________________

Factors of 5:  ________________________

GCF(2, 5) =    ___________

8.     21, 7

Factors of 21:   ________________________

Factors of 7:  ________________________

GCF(21, 7) =    ___________

9.     10, 9

Factors of 10:   ________________________

Factors of 9:  ________________________

GCF(10, 9) =    ___________

10.     33, 39

Factors of 33:   ________________________

Factors of 39:  ________________________

GCF(33, 39) =    ___________

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