Prime Factorization
Grade 4•45 minutes
Learning Objective
I can find the prime factorization of a number by dividing it by prime numbers.
Practice Questions
This lesson includes 4 practice questions to reinforce learning.
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1. What is the prime factorization of 30? Show your work by dividing it by prime numbers.
2. Explain why the number 9 is not a prime number. Provide the prime factorization of 9.
3. If the prime factorization of a number is 2 × 3², what is the original number? Show how you arrived at your answer.
...and 1 more questions
Educational Video
Prime factorization | Factors and multiples | Pre-Algebra | Khan Academy
Khan Academy