Greatest Common Factor (GCF) Worksheet
Practice finding the greatest common factor (GCF) of two or more numbers with this Grade 5 math worksheet.
Includes
Standards
Topics
Greatest Common Factor (GCF) Practice
Name:
Date:
Score:
Read each question carefully and find the greatest common factor (GCF) for the given numbers. Show your work where indicated.
1. Find the GCF of 12 and 18.
2. What is the GCF of 24 and 36?
3. The factors of 15 are 1, 3, , and 15.
4. The GCF of 10 and 20 is .
5. Which of the following is the GCF of 8 and 20?
2
4
8
20
6. The GCF of two prime numbers is always 1.
True
False
7. Explain how to find the GCF of 16 and 40 using prime factorization.
Related Worksheets
Writing Three-Digit Numbers
Practice writing three-digit numbers in standard form, word form, and expanded form.
Identifying Three-Digit Numbers
A worksheet to help students practice identifying and understanding three-digit numbers, including place value and numerical representation.
Grade 5 Estimation Worksheet
A worksheet for 5th graders to practice estimation skills with whole numbers, decimals, and problem-solving.
Grade 5 Place Value Worksheet
A worksheet for 5th graders to practice identifying place value of digits in whole numbers and decimals.
Grade 5 Math: Patterns and Sequencing
This worksheet helps fifth graders practice identifying, extending, and creating various number and shape patterns, including growing and shrinking patterns, and using rules to describe them.
Greater Than, Less Than (Grade 5)
A Grade 5 math worksheet focusing on comparing numbers using greater than, less than, and equal to symbols with whole numbers, decimals, and fractions.
Grade 5 Number Sequences Worksheet
Practice identifying, extending, and creating number sequences with this Grade 5 math worksheet.
Letters and Numbers Fun!
A Grade 5 math worksheet focusing on understanding and manipulating letters and numbers in various contexts, including patterns and sequences.