Multiples and Factors

Find the Least Common Multiple (LCM) of 3 and 4

• 34

• 7

• 12

• 24

Tags

CCSS.4.OA.B.4

Which choice lists all the factors for the number 24?

• 2, 3, 4, 6, 8, 12, 24
• 2, 3, 4, 6, 8, 12, 24, 36
• 1, 2, 3, 4, 6, 8, 12, 24
• 1, 2, 4, 5, 6, 8, 12 ,24

Tags

CCSS.4.OA.B.4

Which of the following are multiples of 6...

• 1, 2, 3, 6
• 12, 18, 24
• 2, 4, 6, 8
• none

Tags

CCSS.4.OA.B.4

Which is a factor of 36?

• 72
• 5
• 4
• 17

Tags

CCSS.4.OA.B.4

Which is a NOT a factor of 12?

• 1
• 3
• 5
• 12

Tags

CCSS.4.OA.B.4

The factors of 16 are 1, 2, 4, 8, 16

While the factors of 24 are 1, 2, 3, 4, 6, 8, 12, 24

What are the Common Factors?

• 1,2,3,4,5

• 1,2,4,6,8

• 12,3,4,6,8,12,16,24

Tags

CCSS.4.OA.B.4

Is 25 Prime or Composite?

• Prime
• Composite

Tags

CCSS.4.OA.B.4

1. Which of the following is a pair of co-primes ?

• 9 and 12

• 18 and 35

• 28 and 77

Find the HCF of 12 and 16...

• 2

• 4

• 6

• 8

Tags

CCSS.6.NS.B.4

Composite numbers:

• Are always bigger than prime numbers
• Have more than 2 factors
• Have 2 pairs of factors
• Don't have factors

Tags

CCSS.4.OA.B.4