Prime factorization

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

Find the prime factorization of 420

• 2² • 3 • 5 • 7

• 7⁷

• 2² • 3 • 11

• 2³ • 3 • 7

What is the greatest common factor of 36 and 40

• 2

• 9

• 4

• 8

What is the greatest common factor of 60 and 75

• 2

• 5

• 15

• 25

What is the greatest common factor of 36 and 54

• 2

• 6

• 9

• 18

What is the greatest common factor of 60 and 84

• 2

• 6

• 12

• 24