Prime Numbers and Prime Factorization

Question 1

Latoya created a factor tree and wrote the prime factorization of 90 shown below.What is Latoya’s error?

Revolt · Accepted Answer

She should have included an exponent of 2 on the 3.

Question 2

Which list shows all the factors of 36?

Revolt · Accepted Answer

1, 2, 3, 4, 6, 9, 12, 18, 36

Question 3

Rathan thinks all factors of even numbers are even. Is Rathan correct or incorrect?

Revolt · Accepted Answer

He is incorrect because the product of an even number and an odd number is even.

Question 4

What is the sum of the first five prime numbers?

Revolt · Accepted Answer

28

Question 5

Ray created the list of factors for 48 below. 48: 1, 2, 3, 4, 6, 7, 8, 12, 16, 24, 48Which number should be removed from his list to make the list accurate?

Revolt · Accepted Answer

7

Question 6

Manuel created a factor tree and wrote the prime factorization of 60 shown below. What is Manuel’s error?

Revolt · Accepted Answer

He did not find the prime factors of 4.

Question 7

The factor tree below provides the factors of 18.What is the prime factorization of 18?

Revolt · Accepted Answer

2 times 3 times 3

Question 8

Jaime created the list of factors of 32 below. 32: 1, 2, 4, 6, 8, 16, 32 Which number should be removed from this list to make the list accurate?

Revolt · Accepted Answer

6

Question 9

Which number is a factor of 51?

Revolt · Accepted Answer

17

Question 10

Which list shows all the factors of 18?

Revolt · Accepted Answer

1, 2, 3, 6, 9, 18

Prime Numbers and Prime Factorization Answers

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