3. Factors and Multiples
Gcf — Quiz
Test your understanding of gcf with 5 practice questions.
Practice Questions
Question 1
When using prime factorization to find the GCF of two numbers, what is the correct way to combine the common prime factors?
Question 2
What is the GCF of $16$ and $20$?
Question 3
Using the Euclidean algorithm, what is the GCF of $78$ and $104$?
Question 4
If the GCF of two numbers is $12$, and one of the numbers is $36$, which of the following could be the other number?
Question 5
What is the GCF of $35$, $49$, and $63$?