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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