Find Factors (Numbers < 100)
Browse 0 free printable Find Factors (Numbers < 100) worksheets for First Math. These Factoring worksheets are designed to give students targeted practice and build confidence in math.
Worksheets are available at multiple difficulty levels — Easy, Medium, and Hard — so you can meet every student where they are. Each worksheet is an instant PDF download: print as many copies as you need for your classroom, tutoring sessions, or home practice at no cost.
Whether you're a teacher looking for factoring practice problems, a homeschool parent building a First curriculum, or a tutor helping a student catch up, these free printable worksheets are ready to use today.
Preview
Tap to open PDF
Practice Questions
- Factors of 60:
Show answer
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
- Factors of 64:
Show answer
1, 2, 4, 8, 16, 32, 64
- Factors of 75:
Show answer
1, 3, 5, 15, 25, 75
- Factors of 72:
Show answer
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
- Factors of 80:
Show answer
1, 2, 4, 5, 8, 10, 16, 20, 40, 80
Preview
Click to preview collection
Quick Tip
Teacher Resources
Teaching Notes
Students will need to be systematic to find all factors of larger numbers. Encourage using divisibility rules (e.g., if it ends in 0 or 5, 5 is a factor).
Vocabulary
Common Mistakes
- Missing factors in the middle (e.g., for 72, missing 8 or 9)
- Calculation errors with division
- Missing a factor pair
- Confusing factors with multiples
- Stopping too early
- Not including 1 and the number itself
Differentiation
Discussion Questions
- How do divisibility rules help us find factors?
- Why do some large numbers have few factors (primes)?
- What are factors?
- How do you know you've found all factors?
- What is the smallest factor of any number?
- Can a number have an odd number of factors? When?
Extension Activities
- Venn Diagram: Factors of 60 vs Factors of 72.
- Which number under 100 has the most factors? (Highly composite numbers)
Parent Tip
Ask your child to find pairs of items that can be grouped evenly.
Learning Path
Skill Cluster
Number Sense & Operations
Estimated Time
20 minutes