GCF and LCM Prime Factorization

GCF of 99 and 54

• 9

• 3

• 6

• 8

What is the LCM of 3 and 6? 

• 3

• 6

• 12

• 15

What is the GCF and LCM of 12 and 18?

• 6 and 18

• 6 and 36

• 12 and 36

• 3 and 36

What is the least common multiple of 5 and 9? 

• 45

• 40 

• 20 

• 50 

What is the GCF and LCM 9 and 15?

• 3 and 15

• 9 and 3

• 45 and 3

• 3 and 45

What is the GCF of 18 and 36?

• 6

• 2

• 18

• 9

What is the LCM of 15 and 25

• 5

• 375

• 15

• 75

Find the GCF of 60 and 135.

• 5

• 15

• 12

• 3

Find the GCF of 28 and 44.

Find the GCF of 36 and 96.