Understanding Factors and Prime Factorization

Understanding Factors and Prime Factorization

Assessment

Interactive Video

Mathematics

7th - 8th Grade

Hard

Created by

Jennifer Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main advantage of using prime factorization to find factors of a number?

It is the only method taught in schools.

It only works for even numbers.

It requires no calculations.

It is faster than guessing and checking.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which number is used first in the prime factorization of 210?

7

3

5

2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying all prime factors of a number in all possible combinations?

Only the prime factors

All the factors of the number

The square of the number

The number itself

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in the pen and paper method for finding factors?

Listing the prime factors

Guessing the factors

Drawing a factor tree

Using a calculator

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do after listing all the prime factors in the pen and paper method?

Multiply them by random numbers

Divide them by each other

Add them together

Multiply them in all combinations

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it beneficial to write down each step in the pen and paper method?

It is required by all teachers.

It is a traditional method.

It helps in revision and understanding.

It makes the process slower.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final step in listing all factors of a number using the pen and paper method?

Listing them in ascending order

Checking with a calculator

Multiplying them again

Listing them in descending order

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