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Greatest common factor (GCF) (1-100)

Factoring worksheets: GCF

Students find the greatest common factor (GCF) of two numbers between 1-100. The GCF of two numbers is the largest number that is a factor of both numbers.  

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

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