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Prime factorization

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Prime factorization — free printable Grade 7 math worksheet

This worksheet provides challenging exercises on prime factorization designed for Grade 7 students studying number theory. Teachers can use it to reinforce students' skills in breaking down numbers into prime components and applying these skills to related problems. It is ideal for classroom practice, homework assignments, or assessment preparation focusing on prime factorization and its applications.

Learning objectives

  • Decompose composite numbers into their prime factors using factor trees and division methods
  • Identify and apply prime factorization to solve problems involving greatest common factors and least common multiples
  • Demonstrate understanding of prime factorization concepts through written explanations and problem-solving

How to use this worksheet

  1. Select “Sign in / Sign up to download”, then sign in with Google or email to get the PDF from KiwiBee Printables.
  2. Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
  3. Use the included answer key to mark it in seconds.

Good for

ClassworkHomeworkWarm-upCentersSmall groups

Answer Key

Answer key for Prime factorization — free printable Math worksheet

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