Factors Worksheet - Advanced

Factors and primes worksheet listing 13 numbers from 4 to 100: students write every factor of each number and mark whether it is prime, following a modelled first row.
Grades
Grades 3–5
File type
PDF
Preparation
Print ready

Updated Oct 26, 2026

Subject
Numbers, Math
Topic
Factors Worksheet, Advanced Math
Resource types
Worksheets
Preparation
Print ready

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About this resource

Factors Worksheet - Advanced This advanced factors worksheet teaches students in Grades 3–5 about factors and prime numbers. The informative graphic organizer worksheet first lists numbers students will analyze. The second column provides enough spaces for students to write all the factors for each number. The third column prompts students to determine if the number is prime by writing yes or no. The first row models how to complete the worksheet. There are 12 total rows covering numbers up to 100 for students to practice finding factors and identifying primes. Teachers can use this versatile resource for whole group instruction, small group practice, individual work, homework, or as an assessment. An answer key allows teachers to quickly check student work or enables student self-checking. This engaging math resource provides essential practice with numbers, factors and primes.

In the classroom

Teaching tips & learning objectives

Learning objectives

  • List all factors of whole numbers up to 100

  • Determine whether a number is prime

Teaching tips

  • The numbers mix easy cases like 4 and 10 with 61 and 100, so the last rows show whether students check every possible factor.

Skills covered

  • Finding factors — listing every factor of numbers such as 18, 28 and 50

  • Classifying numbers — marking each number prime or not prime

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