L.C.M

What is the L.C.M. of 12 and 18?

• 12

• 18

• 36

• 48

Some of the multiples of 3 are...

• 6, 8, 10, 12

• 5, 6, 7, 8

• 12, 16, 20, 24

• 9, 12, 15, 18

The Prime Factors of 12 are

• 3 and 4

• 2 and 6

• 2, 2 and 3

• 1 and 12

John said the LCM of 4 and 6 is 24. Is he correct?

( Answer YES or NO)

what is the L.C.M of 30 and 20

• 30

• 20

• 40

• 10

Which is a factor of 36?

• 72
• 5
• 4
• 17

Tags

CCSS.4.OA.B.4

Which number is a factor of 21

• 8
• 9
• 6
• 3

Tags

CCSS.4.OA.B.4

Choose one prime number.

• 1

• 2

• 4

• 6

Tags

CCSS.4.OA.B.4

which of the following is not a prime number?

• 41

• 43

• 45

• 47

BONUS: What is the LCM of 4,8, and 28?

• 4

• 56

• 14

• 28

Tags

CCSS.6.NS.B.4