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Prime Factorization Activities | Free Printable

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These prime factorization activities worksheets will help to visualize and understand the number system and factorization sense of a student from grades 1 and 2. Students from grades 1 and 2 will learn basic mathematical operations and can improve their basic math skills with our free printable prime factorization activities.


5 Worksheets on Prime Factorization Activities

Let’s use the worksheets below which are about a few fun activities to practice the prime factorization activities.

Prime Factorization Activities

Rainbow Game

Worksheet #1

Board Game

Worksheet #2

Bingo Game

Worksheet #3

Stargazing Game

Worksheet #4

Color the Pencils

Worksheet #5

Differences Between Factors & Prime Factors of a Number

A number’s factors are the amount of the numbers multiplied together to get the original number. For instance, the factors of 20 are 4 and 5, since 4 × 5 = 20, whereas the prime factors of a number are the prime integers multiplied to obtain the original number.

As an instance, the prime factors of 20 are 2, 2, and 5, so 2 × 2 × 5 = 20. It should be remembered that not all of a number’s factors are necessarily prime factors. Similar to factoring a number, prime factors of a number only take the prime numbers 2, 3, 5, 7, 11, 13, 17, 19, and so on into account.

Therefore, it can be claimed that the prime factors of a number are those that entirely divide the original number and cannot be divided into more factors.

A boy wants to find the prime factors of a number with prime factorization activities


5 Exciting Prime Factorization Activities for Your Youngsters

These activities should assist your young champ in learning the basics of mathematical operation and laying a solid foundation. Follow the step-by-step procedures for the prime factorization activities given below.


Prime Factors of a Number Rainbow Game

Every worksheet will contain a rainbow and there will be a number at the lowest color of the rainbow. Now, write down the factors of the given number on the adjacent color of the rainbow. Then, find the prime factors from all of the factors. The teacher will help the students to find the prime factors.

Steps of prime factorization activities Rainbow Game


Prime Factorization Board Game

Roll the dice. After that, if a student lands on a picture, he or she will draw a card. On the card, there will be a number. The kiddo will find the factors and prime factors of the given number. If the answer is correct, he or she will proceed to the game. Otherwise, he or she will be stuck on that stage. The game will be continued in this manner. The student who can finish the game first will win the game.

Steps of Board Game to Find Prime Factors of a Number in prime factorization activities


Prime Factorization Bingo Game

The teacher will roll the dice first and distribute cards to the students The teacher will land on a number. The students will check the cards. If the number matches with the number card of the students, then the student will say ‘Bingo’. Then the teacher will ask him to find the prime factors of that number. The student will write down the prime factors on the board.

Procedures of Prime Factors of a Number Bingo Game with prime factorization activities


Count Little Stars and get Prime Factors!

Every worksheet contains a moon as well as stars. On the moon, a number is written. Students will find the prime factors of that given number and will write on the stars. The game will continue in this manner. The kiddo who can finish the job first will win the game.

Steps of Star Gazing Game with prime factorization activities


Color the Prime Factor Pencils

Give them the worksheets. Every worksheet will have 5 numbers written on 5. The students will find the prime factors of a number and then color the pencils. The teacher will help them how to find the prime factors of a number. The group that finishes the task first, will win the game.

Steps of Color the pencils game with prime factorization activities


Download Free Printable PDF

Play cheerfully with your child by downloading the attached PDF.


So today, we’ve discussed prime factorization activities worksheets using the concepts of rainbow game, board game, bingo game, stargazing game, and coloring game. Download our free worksheets, and after practicing these worksheets, students will surely improve their mathematical skills and have a better understanding of the factors of a number.

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