GCF, LCM, Prime Factorization

What are the prime factors of 27?

• 3x3x3

• 3x2x3

• 3x3x4

Least common multiple is a number _______________ than the two numbers.

Greatest common factor is a number ____________ than the two numbers.

IP #12 Is the number 47 Prime or Composite?

• Prime

• Composite

What is the greatest common factor of 24 and 36?

• 2

• 3

• 12

• 24

Adam is trying to find the greatest number of gift bags he can give to his friends. He wants the same amount of toy dinosaurs and stickers in each bag. If he has 30 toy dinosaurs and 20 stickers, what does he need to find? How many dinosaurs and stickers will be in each bag?

• Greatest Common Multiple; 3 dinosaurs and 2 stickers

• Greatest Common Factor; 3 dinosaurs and 2 stickers

• Greatest Common Factor; 6 dinosaurs and 4 stickers

• Least Common Multiple; 60 dinosaurs and 60 stickers

What is the GCF of 8 and 24?

• 1

• 24

• 8

• 4

Find the prime factorization of 56.

• 2x2x2x7

• 2x28

• 3x3x7

Two bands are marching in a parade.

There are 32 people in the first band.

There are 40 people in the second band.

The same number of people are marching in each row in both bands.

What is the greatest number of people that could be marching in each row?

• The greatest common factor is 2

• The greatest common factor is 10

• The greatest common factor is 4

• The greatest common factor is 8

What is the Least Common Multiple of 4 and 14

• 28

• 42

• 56

• 24