Factoring Worksheets

Factoring and prime factors worksheets

Our factoring worksheets cover factors, prime factors, greatest common factors (GCFs) and least common multiples (LCMs).  Worksheets of varying difficulty are provided.

Choose your grade / topic:

Grade 4 factoring worksheets

  • Find the factors of numbers between 4 and 50
  • Find the factors of numbers between 4 and 100
  • Prime factors & prime factor trees
  • Divisibility rules
  • Multiples of whole numbers

Grade 5 factoring worksheets

  • Factoring numbers to prime factors (up to 100, 500)
  • List all the factors of numbers up to 100
  • Prime factor trees
  • More divisibility rules.
  • Greatest common factor (GCF) of 2 numbers (1-50, 1-100)
  • Lowest common multiple (LCM) of 2 numbers 2-30
  • GCF and LCM word problems

Grade 6 factoring worksheets

  • Factor numbers up to 500 to prime factors
  • Greatest common factor (GCF) of 2 numbers up to 100
  • Greatest common factor (GCF) of 3 numbers up to 100
  • Least common multiple (LCM) of 2 numbers up to 50
  • Least common multiple (LCM) of 3 numbers up to 30

Related topics

Multiplication worksheets

Division worksheets

Factoring Worksheet

Sample Factoring Worksheet

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