Factor Trees and Prime Factorization

Factor Trees and Prime Factorization

Assessment

Interactive Video

Mathematics, Science

4th - 8th Grade

Hard

Created by

Mia Campbell

FREE Resource

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.

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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the factors of 127?

1 and 127

None of the above

2 and 127

1 and 128

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a factor pair of 128?

3 and 42

1 and 127

2 and 64

5 and 25

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Divide by 5

Divide by 2

Divide by 3

Divide by 7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

7

8

6

5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the prime factorization of 128?

2^7

2^6

2^5

2^8

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a factor of 128?

64

32

48

16

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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