Finding factors and multiples of numbers helps solve many mathematical problems. It is also very useful when working with fractions e.g. adding 1/3 and 1/2.

Practice finding factors with examples, worksheets, and games.

Identify prime numbers and distinguish them from composite ones.

Use factor trees to find a number's prime factors.

Find the greatest common factor of two or more numbers.

Calculate multiples and those common to two or more numbers.

Learn more about factors.

See more examples and guidance on multiples.

You'll find the worksheets below under Resources section of HelpingWithMath.com and they are also listed individually on the pages in this section that contain related guidance and worked examples.

- Finding Factors (1 of 2)
- Finding Factors (2 of 2)
- Factors - Prime and Composite Numbers (1 of 2)
- Factors - Prime and Composite Numbers (2 of 2)
- Finding Prime Factorization (1 of 2) (with factor trees)
- Finding Prime Factorization (2 of 2) (with factor trees)
- Greatest Common Factors (1 of 2)
- Greatest Common Factors (2 of 2)
- Multiples (1 of 2) (including Least Common Multiple)
- Multiples (2 of 2) (including Least Common Multiple)

- Multiples (2-page worksheet. Includes Guided Practice)
- Division and Multiples (2-page worksheet. Includes Guided Practice)
- Factors (3-page worksheet with Guided Practice)
- Factors (Prime and Composite Numbers) (3-page worksheet with Guided Practice)

The worksheets below are also listed in the Multiplication Worksheets section.

- Factor Pairs: 4, 6, & 8
- Factor Pairs: 9, 10, & 12
- Factor Pairs: 14, 15, & 16
- Factor Pairs: 18, 20, & 21
- Factor Pairs: 22, 24, & 25
- Factor Pairs: 28 & 30
- Factor Pairs: 32 & 36