Understanding Factors and Prime Factorization

Understanding Factors and Prime Factorization

Assessment

Interactive Video

Mathematics, Science

5th - 8th Grade

Practice Problem

Hard

Created by

Amelia Wright

FREE Resource

The video tutorial covers the factors of 109 and 110, explaining that 109 is a prime number with factors 1 and 109. It then explores the factors of 110, a composite number, listing them as 1, 2, 5, 10, 11, 22, 55, and 110, and pairing them accordingly. The tutorial proceeds to demonstrate the prime factorization of 110 using a factor tree, identifying the prime factors as 2, 5, and 11. The video concludes with a call to action to subscribe for more math and science content.

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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the factors of 109?

1 and 109

1, 2, and 109

1, 3, and 109

1, 5, and 109

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a factor of 110?

11

3

5

2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many pairs of factors does 110 have?

3

5

2

4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in the prime factorization of 110?

Divide by 3

Divide by 2

Divide by 5

Divide by 11

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a prime factor of 110?

9

6

4

5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the prime factors of 110?

2, 3, 5

3, 5, 11

2, 5, 11

2, 5, 13

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