Prime Factorisation

Prime Factorisation

5th - 6th Grade

10 Qs

quiz-placeholder

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Prime Factorisation

Prime Factorisation

Assessment

Quiz

Mathematics

5th - 6th Grade

Hard

Created by

Barbara White

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2 x 2 x 2  or 2is the prime factorization of
6
12
22
8

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the prime factorization of 12? 
2 x 6
2 + 2 + 2 + 2 + 2 + 2 
22 x 3
1 x 22 x 3

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Using a Factor Tree, find the prime factorization of 75.  
52 x 3
5 x 5 x 3
32 x 5
15 x 5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Use a number tree to find the prime factorization of 48
4x2x6
4x22x3
3x24
12x4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the expanded form is 2⋅2⋅2⋅3⋅3⋅5⋅7 what would the exponential form be?
2⋅3⋅5⋅7
2³⋅3²⋅5⋅7
2²⋅3²⋅5⋅7
8⋅9⋅35

6.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

Create a factor tree and find the prime factorization for 80
24⋅5
42⋅5
2⋅2⋅2
8⋅5⋅2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following are all prime numbers
2, 3, 6, 7, 9
2, 4, 8, 16
2, 3, 5, 7, 9
2, 3, 5, 7, 11

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