GCF/LCM/Prime Factorization Test (1st Period)

Which set lists all the factors of 24?

• 1, 2, 3, 6, 7, 12, 24
• 1, 2, 3, 4, 6, 8, 12, 24
• 1, 2, 3, 4, 5, 6, 8, 12, 24
• 1, 3, 4, 6, 8, 24

Tags

CCSS.4.OA.B.4

Which one is a multiple of 4?

• 33
• 22
• 18
• 24

Tags

CCSS.4.OA.B.4

Which of these numbers is not prime?

• 17
• 25
• 23
• 37

Tags

CCSS.4.OA.B.4

Which is not a factor of 18?

• 7
• 2
• 3
• 9

Tags

CCSS.4.OA.B.4

Joe has listed the first 4 multiples of 7 as: 
7   14    22     28
Which one is incorrect?

• 7
• 14
• 22
• 28

Tags

CCSS.4.OA.B.4

Which of the following is prime?

• 18

• 19

• 27

• 45

Tags

CCSS.4.OA.B.4

GCF of 8 and 20

• 8
• 2
• 4
• 10

Tags

CCSS.6.NS.B.4

Create a factor tree and find the prime factorization for 80

• 2⁴⋅5

• 4²⋅5

• 2⋅2⋅2

• 8⋅5⋅2

Tags

CCSS.6.EE.A.1

Find the Least Common Multiple (LCM) of 4 & 14.

• 14
• 20
• 28
• 42

Tags

CCSS.6.NS.B.4

Use a number tree to find the prime factorization of 48

• 4x2x6
• 4x2²x3
• 3x2⁴
• 12x4

Tags

CCSS.4.OA.B.4