Prime Factorization

2 x 2 x 2 is the prime factorization of

• 6
• 12
• 22
• 8

Tags

CCSS.6.EE.A.1

What number is never allowed in a factor tree? 

• 13 (it's bad luck!)
• 1 
• 8675309
• 2

Which is the prime factorization of 12? 

• 2 x 6
• 2 + 2 + 2 + 2 + 2 + 2 
• 2 x 2 x 3
• 1 x 2 x 2 x 3

What are the prime factors of 30? 

• 3, 2, 5 
• 1, 2, 3, 5, 6, 15, 30
• 3, 30
• 10, 3

Use a number tree to find the prime factorization of 105

• 7x5x3
• 11x5x3
• 7x5x2x1
• 7x5x3x2

Use a number tree to find the prime factorization of 111

• 33x3
• 11x3x3
• 37x3
• 9x4x3x1

Use a number tree to find the prime factorization of 32

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

Tags

CCSS.6.EE.A.1

Use a number tree to find the prime factorization of 60

• 5x3x2x2
• 7x6x5
• 5x3x3x2
• 7x5x4

Use a number tree to find the prime factorization of 42

• 4x4x3
• 6x7
• 7x3x2
• 5x4x2

Use a number tree to find the prime factorization of 64

• 4x4x4
• 4x4x2x2
• 2x2x2x2x2x2
• 4x4x2x1

Tags

CCSS.6.EE.A.1