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Prime Numbers and Factorization Concepts

Prime Numbers and Factorization Concepts

Assessment

Interactive Video

Mathematics

5th Grade

Practice Problem

Hard

Created by

Janet Bryan

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a prime number?

A number that can only be divided by 1 and itself.

A number that can be divided by many numbers.

A number that is always even.

A number that is always odd.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a composite number?

A number that can only be divided by 1 and itself.

A number that can be divided by more than 1 and itself.

A number that is always odd.

A number that is always 0 or 1.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these numbers is a prime number?

4

6

7

9

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the prime factorization of 50?

2 x 25

5 x 10

2 x 5 x 5

2 x 3 x 5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the unique prime factors of 120?

2, 3, 5

2, 4, 5

2, 3, 6

3, 5, 10

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these shows the prime factorization of 280?

2 × 2 × 5 × 7

2 × 2 × 2 × 5 × 7

2 × 2 × 2 × 7 × 7

2 × 5 × 7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many times does the prime factor '3' appear in the prime factorization of 540?

One time

Two times

Three times

Four times

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