Prime Numbers and Prime Factorization

Question 1

Question 1

Question 2

The prime factorization of a number is . Which is a true statement about the factors of the number?

Revolt · Accepted Answer

Fifteen is a factor of the number because both 3 and 5 are prime factors.

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

Lina and Josh each made a factor tree to find the prime factorization of 126. Lina’s Solution Josh’s Solution Which statement explains the accuracy of the students’ work?

Revolt · Accepted Answer

Lina’s solution is correct because it expresses 126 as a product of prime factors.

Question 5

Which list shows all the factors of 18?

Revolt · Accepted Answer

1, 2, 3, 6, 9, 18

Question 6

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 7

Which is a true statement about the number 1?

Revolt · Accepted Answer

One is a factor of every whole number since every number is divisible by itself.

Question 8

Composite numbers have

Revolt · Accepted Answer

more than two factors.

Question 9

Which number is a factor of 51?

Revolt · Accepted Answer

17

Question 10

What is the prime factorization of 40?

Revolt · Accepted Answer

2 times 2 times 2 times 5

Prime Numbers and Prime Factorization Answers

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