Factor Trees and Prime Factorization

The video tutorial from MooMooMath and Science covers the factors of 127 and 128. It begins by explaining that 127 is a prime number with factors 1 and 127. The tutorial then moves on to 128, listing its factors and pairing them. A factor tree is created to demonstrate the prime factorization of 128, resulting in 2 to the seventh power. The video concludes with a brief channel promotion.

What are the factors of 127?

• 1 and 127

• None of the above

• 2 and 127

• 1 and 128

Tags

CCSS.4.OA.B.4

Which of the following is a factor pair of 128?

• 3 and 42

• 1 and 127

• 2 and 64

• 5 and 25

What is the first step in creating a factor tree for 128?

• Divide by 5

• Divide by 2

• Divide by 3

• Divide by 7

In the factor tree of 128, what is the next step after dividing by 2 to get 64?

• Divide by 5

• Divide by 2

• Divide by 3

• Divide by 4

How many times is the number 2 used in the prime factorization of 128?

• 7

• 8

• 6

• 5

What is the prime factorization of 128?

• 2^7

• 2^6

• 2^5

• 2^8

Tags

CCSS.4.OA.B.4

Which of the following is NOT a factor of 128?

• 64

• 32

• 48

• 16

Tags

CCSS.4.OA.B.4

What is the significance of the number 2 in the factor tree of 128?

• It is a prime number

• It is an odd number

• It is a factor of 127

• It is a composite number

What should you do after completing the factor tree for 128?

• Count the number of twos

• Divide by 3

• Multiply all factors

• Add all factors