Prime Factorization

Use a number tree to find the prime factorization of 42

• 4x4x3
• 6x7
• 7x3x2
• 5x4x2

Which is the prime factorization of 12 ? 

• 2 x 6
• 2 + 2 + 2 + 2 + 2 + 2 
• 2² x 3
• 1 x 2² x 3

Tags

CCSS.4.OA.B.4

If the expanded form is 2⋅2⋅2⋅3⋅3⋅5⋅7 what would the exponential form be?

• 2⋅3⋅5⋅7
• 2³⋅3²⋅5⋅7
• 2²⋅3²⋅5⋅7
• 8⋅9⋅35

Tags

CCSS.6.EE.A.1

2 x 2 x 2 is the prime factorization of...

• 6
• 12
• 22
• 8

Tags

CCSS.6.EE.A.1

Find the prime factorization of 72

• 2³ x 3²

• 2 x 3² x 4

• 2⁴ x 3³

• 2² x 6²

Tags

CCSS.6.EE.A.1

What is a factor?

• Two numbers that create a quotient.

• Two numbers that create a product.

• Two numbers that create a sum.

• Two numbers that create a difference.

Tags

CCSS.4.OA.B.4

What is the expanded form and standard form for 3⁴?

• 3 + 3 + 3 + 3; 12

• 3 x 3 x 3 x 3; 27

• 4 x 4 x 4; 64

• 3 x 3 x 3 x 3 ; 81

Tags

CCSS.6.EE.A.1

Which list contains all prime numbers?

• 2, 3, 5, 7, 11
• 2, 3, 5, 7, 9
• 2, 4, 5, 7, 11
• 2, 3, 5, 7, 12

Tags

CCSS.4.OA.B.4

Write 63 as a product of its prime factors. 

• 2x3x7
• 3x21
• 9x7
• 3x3x7

Using a Factor Tree, find the prime factorization of 75.  

• 5² x 3
• 5 x 5 x 3
• 3² x 5
• 15 x 5

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

CCSS.6.EE.A.4