prime factorization

Is 5 prime or composite? 

• Prime
• Composite

A prime number

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

2 x 2 x 2 is the prime factorization of

• 6
• 12
• 22
• 8

Use a factor tree to find the prime factorization of 105

• 7x5x3

• 11x5x3

• 7x5x2x1

• 7x5x3x2

Use a factor tree to find the prime factorization of 60

• 5x3x2x2

• 7x6x5

• 5x3x3x2

• 7x5x4

Find the prime factorization of 18

• 2 • 9

• 2² • 3

• 2 • 3²

• 3 • 6

Find the prime factorization of 30

• 2² • 5 • 7

• 2 • 3²

• 2 • 3 • 7

• 2 • 3 • 5

Find the prime factorization of 420

• 2² • 3 • 5 • 7

• 7⁷

• 2² • 3 • 11

• 2³ • 3 • 7

What number has the prime factorization of 2³ • 11?

• 55

• 66

• 88

• 99

What number has the prime factorization of 2³ • 3² • 5?

• 360

• 720

• 180

• 240