LCM & GCF

LCM(3, 8) =

• 16

• 24

• 32

• 48

LCM(12, 8)

• 96

• 24

• 36

• 72

LMC(10, 6) =

• 30

• 60

• 50

• 40

What is the Least Common Multiple of 4 and 14

• 28

• 42

• 56

• 24

Choose the correct list of the first five multiples of 10.

• 1, 10, 20, 30, 40
• 10, 20, 30, 40, 50
• 5, 10, 15, 20, 25
• 10, 30, 40, 50, 60

Find the Least Common Multiple of 2 and 3.

• 2

• 3

• 6

• 12

Find the Least Common Multiple of 9 and 6

• 18
• 36
• 38
• 72

Which one is a multiple of 4?

• 33
• 22
• 18
• 24

LCM(3, 11) =

• 25

• 66

• 14

• 33

Two neon signs are turned on at the same and begin to blink.  One sign links every 9 seconds.  The other blinks every 15 seconds.  In how many seconds will they blink together?

• 3
• 5
• 45
• 9