Top 10/6 - Post check

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

What is the greatest factor of 28 and 49?

• 1
• 2
• 7
• 12

What is the LCM of 8 and 12?

• 24

• 48

• 96

• 12

What is the LCM of 2 and 11?

• 12

• 22

• 44

• 66

Which of the following is NOT prime?

• 29

• 23

• 17

• 39

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

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 32

• 2x2x2x4

• 2x2x2x2x2

• 4x4x2

• 2x2x2x2x1