Prime Factoring Practice Topic Index | Grade 5 Math | Intermediate Test Prep | StudyZone
When we express a number as prime factors we do prime factorization. We can use our divisibility rules to make the job easier!
Let's do a few for practice!!!
Write 3, 456 in prime factorization.
Click here to check answer. 2*2*2*2*2*2*2*3*3*3
Click on the star for an explanation.
Write 19, 440 in prime factorization.
Click here to check answer. 2*2*2*2*3*3*3*3*5
Write 11, 760 in prime factorization.
Click here to check answer. 2*2*2*2*3*5*7*7
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Created by Sarah Therrien Updated by Carol A. Carroll Copyright © 2001-06 Oswego City School District
