Name :                                                                 Score :
ES3
                                 Prime Factorization
    Write each number in prime factor form.
    1)   16                                          2)    36
    3)   45                                          4)    4
    5)   34
                               PREVIEW               6)    20
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    7)   25                                          8)
                                                  Pleas      46
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    9)   30                                        10)     42
  11)    44                                        12)     10
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Name :                                                                Score :
                                        Answer key
                                                                                ES3
                                 Prime Factorization
    Write each number in prime factor form.
    1)   16                                         2)    36
           16 = 2 × 2 × 2 × 2                                 36 = 2 × 2 × 3 × 3
    3)   45                                         4)    4
           45 = 3 × 3 × 5                                     4 = 2×2
    5)   34
                                PREVIEW             6)    20
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           34 = 2 × 17   collection of worksheets in all subjects!
                                                         20 = 2 × 2 × 5
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    7)   25                                          8)
                                                  Pleas      46
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                                                 gain comple
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           25 = 5 × 5         worksheet.         access.      46 = 2 × 23
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    9)   30                                        10)    42
           30 = 2 × 3 × 5                                     42 = 2 × 3 × 7
  11)    44                                        12)    10
           44 = 2 × 2 × 11                                    10 = 2 × 5
Printable Math Worksheets @ www.mathworksheets4kids.com