# 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) =    ___________

## Recent Articles

1. ### Optical Illusions with Geometry

Oct 22, 18 04:14 PM

Take a good look at these optical illusions with geometry

New math lessons

Your email is safe with us. We will only use it to inform you about new math lessons.

## Recent Lessons

1. ### Optical Illusions with Geometry

Oct 22, 18 04:14 PM

Take a good look at these optical illusions with geometry

Tough Algebra Word Problems.

If you can solve these problems with no help, you must be a genius!

Everything you need to prepare for an important exam!

K-12 tests, GED math test, basic math tests, geometry tests, algebra tests.

Real Life Math Skills

Learn about investing money, budgeting your money, paying taxes, mortgage loans, and even the math involved in playing baseball.