Prime Factorization

What is the prime factorization of 24?

• 2 x 4 x 3

• 2 x 2 x 2 x 3

• 2 x 2 x 6

• 3 x 2 x 2

Tags

CCSS.4.OA.B.4

What is the prime factorization of 100?

• 2 x 2 x 5

• 2 x 2 x 25

• 2 x 2 x 5 x 5

• 2 x 5 x 10

What is the prime factorization of 60?

• 2 x 3 x 3 x 5

• 2 x 3 x 5

• 2 x 3 x 10

• 2 x 2 x 3 x 5

What is the prime factorization of 20?

• 2 x 2 x 5

• 4 x 5

• 2 x 4 x 5

• 1 x 20

Is 5 prime or composite? 

• Prime
• Composite

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 number

Tags

CCSS.4.OA.B.4

All of these are prime except

• 3
• 9
• 2
• 13

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

2 x 2 x 2 is the prime factorization of

• 6
• 12
• 22
• 8

One is 

• prime
• composite
• not prime or composite
• the loneliest number that you'll ever do

Tags

CCSS.4.OA.B.4