Quiz Review! Thursday 1/9/2020

Which of the following is an even prime number?

• 32

• 22

• 12

• 2

Tags

CCSS.5.OA.B.3

Which one of the following is not a prime number?

• 7

• 17

• 27

• 37

Tags

CCSS.4.OA.B.4

A prime number...

• has one factor.
• has more than 2 factors.
• has 100 factors.
• has exactly 2 factors: 1 and the itself.

Tags

CCSS.4.OA.B.4

A composite number ...

• has more than 2 factors.
• has one factor.
• has at least 10 factors.
• is always a really big number.

Tags

CCSS.4.OA.B.4

Find the prime factorization of 105

• 7x5x3

• 11x5x3

• 7x5x2x1

• 7x5x3x2

Use a number tree to find the prime factorization of 32

• 2x2x2x4
• 2x2x2x2x2
• 4x4x2
• 2x2x2x2x1

Tags

CCSS.6.EE.A.1

GCF of 28 and 40

• 2
• 4
• 7
• 8

Tags

CCSS.6.NS.B.4

GCF of 10 and 12

• 5
• 2
• 3
• 6

Tags

CCSS.6.NS.B.4

What is the least common multiple (LCM) of 6 and 8?

• 6
• 8
• 48
• 24

Tags

CCSS.6.NS.B.4

What is the least common multiple (LCM) of 15 and 2?

• 30
• 2
• 45
• 152

Tags

CCSS.6.NS.B.4