Greatest Common Factor

GCF of 15 and 45

• 3

• 15

• 5

• 30

• Not Given

GCF of 48 and 84

• 3

• 4

• 48

• 12

• Not Given

GCF of 36 and 90

• 9

• 18

• 36

• 12

• Not Given

GCF of 42 and 72

• 8

• 3

• 2

• 6

• Not Given

GCF of 30 and 28

• 2

• 4

• 6

• 7

• Not Given

There are 40 girls and 32 boys who want to participate in 6th grade intramurals. If each team must
have the same number of girls and the same number of boys. What is the greatest number of teams that can participate in intramurals?

• 6

• 4

• 8

• 2

Shannon is making identical balloon arrangements for a party. She has 32 maroon balloons, 24 white
balloons, and 16 orange balloons. She wants each arrangement to have the same number of each
color. What is the greatest number of arrangements that she can make if every balloon is used?

• 6

• 2

• 4

• 8

GCF of 33 and 99

• 3

• 33

• 9

• 11

• Not Given

Kiara baked 30 oatmeal cookies and 48 chocolate chip cookies to package in plastic containers
for her teacher friends at school. She wants to divide the cookies into identical containers so that each
container has the same number of each kind of cookie. If she wants each container to have the
greatest number of cookies possible, how many plastic containers does she need?

• 2

• 4

• 6

• 8

There are 48 girls and 64 boys. 
The choir teacher plans to arrange the students in equal rows.
Only girls or boys will be in each row (no mixing of girls and boys in the same row). What is the greatest number of students that could be in each row?

• 8

• 6

• 16

• 12