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7 May, 10:31

18. Which of the following groups of numbers are all prime numbers?

A. 7, 17, 29, 49

B. 2, 3, 5, 9

C. 2, 5, 15, 19

D. 3, 11, 23, 31

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Answers (1)
  1. 7 May, 10:39
    0
    D

    Step-by-step explanation:

    3,11,23, and 31 can only be divided by 1 without becoming a decimal.
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