Factors, GCF & LCM Worksheets
Free printable factors, gcf & lcm worksheets with step-by-step answer keys. Every worksheet is uniquely generated so students never see the same problems twice. Topics covered range from gcf by listing factors at the easy level through to gcf or lcm, large numbers at the advanced level.
CCSS.6.NS
Difficulty Levels
Beginner
- Concepts
- GCF by listing factors
- Number Range
- 4–12
- Steps
- 3 steps
- Example
- GCF of 8 and 12
Easy
- Concepts
- GCF or LCM, small numbers
- Number Range
- 6–30
- Steps
- 3 steps
- Example
- LCM of 6 and 10
Medium
- Concepts
- GCF or LCM, medium numbers
- Number Range
- 6–60
- Steps
- 3 steps
- Example
- GCF of 24 and 36
Hard
- Concepts
- GCF or LCM, large numbers
- Number Range
- 20–100
- Steps
- 3 steps
- Example
- LCM of 45 and 60
Grade Availability
Factors, GCF & LCM worksheets are available for Grade 6. Problems are automatically adjusted to match grade-level expectations in number range, complexity, and notation.
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