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19 August, 12:56

3. Write out the prime factor of the following numbers.

a. 15

b. 21

C. 38

d. 42

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Answers (1)
  1. 19 August, 16:37
    0
    The prime factors of 15 are: 1,3,5,15

    The prime factors of 21 are: 1,3,7,21

    The prime factors of 38 are: 1,3,13,39

    The prime factor of 42 is : 1,2,3,6,7,14,21,42
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