📐 Greatest Common Factor and Least Common Multiple
This quiz covers finding the greatest common factor (GCF) and least common multiple (LCM) of whole numbers, with real-world applications. **What you'll learn:** - Find the greatest common factor of two or more numbers - Find the least common multiple of two or more numbers - Use GCF to simplify fractions and divide items equally - Use LCM to find when events repeat together - Solve word problems involving GCF and LCM
Questions in this quiz
Answers hidden — play to find out.
- Question 1
What is the greatest common factor (GCF) of 12 and 18?
- Question 2
What is the least common multiple (LCM) of 4 and 6?
- Question 3
The GCF of 5 and 10 is 5.
- Question 4
Maria has 24 red beads and 36 blue beads. She wants to make identical bracelets using all beads with no beads left over. What is the greatest number of bracelets she can make?
- Question 5
The GCF of 15 and 25 is ___.
- Question 6
What is the LCM of 3 and 8?
- Question 7
Bus A arrives every 6 minutes and Bus B arrives every 9 minutes. If both buses arrive now, when will they next arrive at the same time?
- Question 8
The LCM of 5 and 7 is ___.
- Question 9
What is the GCF of 48, 36, and 24?
- Question 10
Jamal wants to arrange 30 soccer balls and 45 basketballs into identical groups with no balls left over. What is the greatest number of groups he can make?