Prime Factorization

Created by jlong815 Plus

Upgrade to
remove ads

Make a factor tree to find the prime factors of a number. To check your work, multiply the prime factors.

2x5x7

Write the prime factorization of 70 (no spaces between factors and 'x.')

2x17

Write the prime factorization of 34 (no spaces between factors and 'x.')

2x2x2x2x2

Write the prime factorization of 32 (no spaces between factors and 'x.')

2x3x5x5

Write the prime factorization of 150 (no spaces between factors and 'x.')

2x2x2x2x3

Write the prime factorization of 48 (no spaces between factors and 'x.')

2x5x29

Write the prime factorization of 290 (no spaces between factors and 'x.')

2x3

Write the prime factorization of 6 (no spaces between factors and 'x.')

3x3

Write the prime factorization of 9 (no spaces between factors and 'x.')

2x5x5x5

Write the prime factorization of 250 (no spaces between factors and 'x.')

2x2x3x3

Write the prime factorization of 36 (no spaces between factors and 'x.')

2x2x5x5

Write the prime factorization of 100 (no spaces between factors and 'x.')

3x19

Write the prime factorization of 57 (no spaces between factors and 'x.')

3x3x7

Write the prime factorization of 63 (no spaces between factors and 'x.')

3x29

Write the prime factorization of 87 (no spaces between factors and 'x.')

3x13

Write the prime factorization of 39 (no spaces between factors and 'x.')

3x31

Write the prime factorization of 93 (no spaces between factors and 'x.')

2x5x23

Write the prime factorization of 230 (no spaces between factors and 'x.')

5x13

Write the prime factorization of 65 (no spaces between factors and 'x.')

2x3x5

Write the prime factorization of 30 (no spaces between factors and 'x.')

2

Which prime factor of 16 is missing? 2x2x2x__

3

Which prime factor of 24 is missing? 2x2x2x__

5

Which prime factor of 20 is missing? 2x2x__

5

Which prime factor of 125 is missing? 5x5x__

41

Which prime factor of 410 is missing? 2x5x__

60

2x2x3x5 is the prime factorization of __?

42

2x3x7 is the prime factorization of __?

105

3x5x7 is the prime factorization of __?

56

2x2x2x7 is the prime factorization of __?

40

2x2x2x5 is the prime factorization of __?

45

3x3x5 is the prime factorization of __?

99

3x3x11 is the prime factorization of __?

590

2x5x59 is the prime factorization of __?

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set