Solving Equations, Division, and Gcf, and Lcm

What is the LMC ( 20 , 21 )

• 100

• 201

• 420

• 560

What is the LCM of ( 12 , 33 )

• 33

• 3

• 264

• 132

• 12

What is the LCM ( 3 , 6 )

• 3

• 6

• 9

• 18

What is the GCF ( 21 , 16 )

• 1

• 3

• 4

• 7

What is the GCF ( 13 , 23 )

• 1

• 13

• 23

• 299

When will the GCF of a pair of numbers be equal to 1?

Select all that apply:

• when none of the numbers in the pair are prime

• When one of the numbers in the pair are prime

• When both numbers in the pair are prime

• When both pairs do not have any common factors

What is the LCM ( 14 , 21 )

• 14

• 21

• 42

• 294

What is the GCF ( 20 , 100 )

• 2

• 10

• 20

• 100

What is the LCM ( 75 , 15 )

• 15

• 5

• 15

• 75

What is the GCF ( 15 , 85 )

• 3

• 5

• 10

• 15