6.2.7 Practice

Common factors of 6 and 8

• 1,2

• 1,2,3,

• 1,2,3,4

Common factor of 16 and 20

• 1,2,4,5,10

• 1,2,4

• 1,3,4,5

Greatest common factor of 8, 10, 12, and 20

• 3

• 4

• 2

• 5

Greatest common factor of 6 and 8

• 3

• 4

• 2

GCF of 72 and 88

• 11

• 4

• 8

• 12

• Not Given

GCF of 42 and 72

• 8

• 3

• 2

• 6

• Not Given

GCF of 33 and 99

• 3

• 33

• 9

• 11

• Not Given

LCM(3, 8) =

• 16

• 24

• 32

• 48

LCM(5, 10) =

• 50

• 30

• 10

• 5

LCM(6, 7) =

• 84

• 21

• 13

• 42