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Prime Factorization with Factor Trees (1 of 2)
Six numbers (12, 32, 50,48,36, and 75) are given to learners to craft factor trees with. The first one is completed as an example in this first of two similar online worksheets. Note that where factorization is an foundational step in...
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GCF by a factor tree
In this greatest common factor worksheet, students find the greatest common factor of 2 two digit numbers in each problem using factor trees. Students complete 4 problems.
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Factor Trees: 2 digit numbers
in this factors worksheet, learners factorize 2 digit numbers by using the factor tree method. Students factorize 4, 2 digit numbers total.
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Prime Factorization
In this math worksheet, students find the solutions to the whole numbers through finding the prime factorization. This could be done using number trees.
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Make a Factor Tree
In this factoring worksheet, students solve 9 problems in which a two or three digit number is factored using a factor tree. Each number is in its own box. There are no examples.
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LCM of 3 Numbers: Factor Trees
In this lowest common multiples learning exercise, students create factor trees to find the lowest common multiple of 3 numbers. Students complete 4 problems.
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Factoring Puzzle
For this factoring puzzle, students factor given equations with one and two variables, exponents, and parenthesis. This one-page worksheet contains 19 matching problems.
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Primes and Prime Factors
In this primes and prime factors activity, 8th graders solve 21 different problems to include identifying each number as prime, composite, or neither prime nor composite and listing all the primes less than 200. Then they complete each...
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Greatest Common Factor: Reteach
In this greatest common factor worksheet, students review the different ways to find the greatest common factor for numbers including listing all the factors and finding prime factorization with factor trees. Students then list the...
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Missing Numbers - Multiplication Virtual Worksheet
In this multiplication worksheet, students complete 72 vertical problems in which they find the second factor using the product and one factor. They can complete the worksheets online or print them out.
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Unit 2: Factors
In this factors worksheet, students identify prime numbers. They use a Sieve of Eratosthenes to identify prime numbers. Students complete factor trees and explore perfect numbers. This factoring unit contains eight...
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Greatest Common Factor
In this GCF worksheet, students fill in missing numbers in factor trees and write the prime factorization to find the greatest common factor. Worksheet includes links to answers and additional worksheets.
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Factors Worksheet
In this listing factors worksheet, students examine 30 math problems that require them to list the factors of 1-digit and 2-digit numbers.
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Factorizations
In this math worksheet, students find the answers for finding the factors for each whole number. They could use factor trees to find the solutions.
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Introductory Algebra Chapter R Review
In this math worksheet, students solve the problems and simplify the fractions. Each of the sets is related to the instructional objectives.
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Finding Prime Factors
In this finding prime factors worksheet, 6th graders read two strategies for finding prime factors, then practice using these methods by doing factor facts drills.
![Wired Math: Primes and Prime Factors [Pdf] Unknown Type](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Wired Math: Primes and Prime Factors [Pdf] Unknown Type")
University of Waterloo (Canada)
Wired Math: Primes and Prime Factors [Pdf]
Explore primes, prime factors, and composites using this collection of worksheets. Lots of detailed examples, interesting math facts, and colorful visuals. Acrobat Reader required.