GCF

Numbers that multiply to give you another number are called: ________________

Ex: 4 x 3 = 12. 4 and 3 are called _________

A _____________________________ is a number who's only factors are 1 and itself.

Which of the following are factors of 24?

• 1

• 5

• 6

• 8

• 10

Which of the following are the factors of 46?

• 1

• 3

• 6

• 8

• 46

What does GCF stand for?

What is the GCF of 20 and 32?

What is the GCF of 24 and 56?

What is the GCF of 36 and 90?

What is the GCF of 45 and 75?

28 girls and 32 boys volunteer to plant trees at a school. The principal divides the girls and boys into groups with the same number of boys and girls. What is the greatest number of groups the principal can make?