Chapter 5 Review Course 2

What is a prime number?

• a number with ONLY two factors

• a number with LESS THAN two factors

• a number with ONLY one factor

• a number with MORE THAN two factors

Tags

CCSS.4.OA.B.4

What is a composite number?

• a number with ONLY TWO factors

• a number with LESS THAN TWO factors

• a number with MORE THAN TWO factors

• a number with ONLY ONE factor

Tags

CCSS.4.OA.B.4

Which one is a composite number?

• 37
• 41
• 21
• 29

Tags

CCSS.4.OA.B.4

Which number below is NOT prime?

• 3
• 7
• 9
• 11

Tags

CCSS.4.OA.B.4

The number 15 is

• Prime

• Composite

• Neither Prime nor Composite

Tags

CCSS.4.OA.B.4

Find the prime factorization of 18

• 2 • 9

• 2² • 3

• 2 • 3²

• 3 • 6

Find the prime factorization of 60

• 5 • 12

• 2 • 3² • 5

• 2² • 3 • 5

• 2⁷

Find the prime factorization of 30

• 2² • 5 • 7

• 2 • 3²

• 2 • 3 • 7

• 2 • 3 • 5

Find the prime factorization of 81

• 2² • 7

• 2³ • 5 • 7

• 4³

• 3⁴

Find the prime factorization of 108

• 2³ * 3²

• 2² • 3³

• 2⁵ • 3

• 2 • 3 • 7 • 11