Common Factors Worksheet
Grade 8 math worksheet on finding common factors of numbers and algebraic expressions.
Includes
3 Short AnswerMultiple ChoiceFill in the Blanks
Standards
CCSS.MATH.CONTENT.6.NS.B.4
Topics
mathgrade 8factorscommon factorsalgebra
7 sections · Free to use · Printable
Common Factors
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Date:
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Read each question carefully and follow the instructions to find the common factors.
1. List all the factors for each number.
a) 24:
b) 36:
c) 48:
2. Find the common factors for each pair of numbers.
a) 18 and 27:
b) 40 and 60:
c) 15 and 35:
3. Which of the following is a common factor of 32 and 48?
a
3
b
6
c
8
d
12
4. Fill in the blanks with the greatest common factor (GCF) for each pair.
a) GCF of 12 and 30 is .
b) GCF of 25 and 45 is .
c) GCF of 56 and 84 is .
5. Find the common factors for each pair of algebraic expressions.
a) 6x and 9x:
b) 10y^2 and 15y:
c) 4ab and 6bc: