# Greatest common factor worksheet

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

 1.     3, 6Factors of 3:   ________________________Factors of 6:  ________________________GCF(3, 6) =    ___________ 2.     8, 12Factors of 8:   ________________________Factors of 12:  ________________________GCF(8, 12) =    ___________
 3.     25, 30Factors of 25:   ________________________Factors of 30:  ________________________GCF(25, 30) =    ___________ 4.     18, 30Factors of 18:   ________________________Factors of 30:  ________________________GCF(18, 30) =    ___________
 5.     35, 42Factors of 35:   ________________________Factors of 42:  ________________________GCF(35, 42) =    ___________ 6.    20 , 10Factors of 20:   ________________________Factors of 10:  ________________________GCF(20, 10) =    ___________
 7.     2, 5Factors of 2:   ________________________Factors of 5:  ________________________GCF(2, 5) =    ___________ 8.     21, 7Factors of 21:   ________________________Factors of 7:  ________________________GCF(21, 7) =    ___________
 9.     10, 9Factors of 10:   ________________________Factors of 9:  ________________________GCF(10, 9) =    ___________ 10.     33, 39Factors of 33:   ________________________Factors of 39:  ________________________GCF(33, 39) =    ___________

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