GCF and LCM Worksheets
Worksheets > Math > Grade 6 > Factoring
Grade 6 Factoring Worksheets: GCF & LCM
These math worksheets cover factoring to prime numbers as well as determining the greatest common factor (GCF) or least common multiple (LCM) of two numbers.
Prime Factors

Example 

Find prime factors (#'s < 100) 
32: 2x2x2x2x2 

Find prime factors (#'s < 500) 
214: 2 x 107 

Greatest common factors


Find the GCF of 2 numbers 
GCF of 21, 35 is 7 

Find the GCF of 2 numbers under 100  GCF of 12, 100 is 4 

Find the GCF of 3 numbers 
GCF of 6, 22, 84 is 3 

Least common multiples


Find the LCM of 2 numbers 
LCM of 3, 4 is 12 

Find the LCM of 2 numbers under 50  LCM of 4, 34 is 68 

Find the LCM of 3 numbers 
LCM of 4, 7, 14 is 28 
Sample Grade 6 Factoring Worksheet
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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