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Greatest common factor (GCF) (1-50)

Math worksheets: Greatest common factor of two numbers less than 50

Below are six versions of our grade 5 math worksheet on finding the greatest common factor (GCF) of two numbers between 1-50. The GCF of two numbers is the largest number that is a factor of both numbers.  These factoring worksheets are pdf files.

More factoring & prime factors worksheets

Explore all of our factoring worksheets, from factoring numbers under 50 to prime factor trees, GCFs and LCMs.

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