Mathematics Grade 7 15 min

Greatest common factor

Greatest common factor

Tutorial Preview

1

What is the greatest common factor (GCF) of 12 and 18?

2

Find the GCF of 24 and 36 using prime factorization.

3

What is the GCF of 8, 12, and 20?

Sample Practice Questions

Easy
What is the greatest common factor (GCF) of 6 and 12?
0.3
1.6
2.12
3.2
Easy
What is the GCF of 5 and 15?
0.1
1.3
2.5
3.15
Easy
Find the GCF of 8 and 16.
0.2
1.4
2.16
3.8

Want to practice and check your answers?

Sign up to access all questions with instant feedback, explanations, and progress tracking.

Start Practicing Free

More from Number Theory

Ready to find your learning gaps?

Take a free diagnostic test and get a personalized learning plan in minutes.