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22 October, 21:07

Which number below is a prime number?

O A. 18

O B. 12

O c. 17

O D. 28

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Answers (2)
  1. 22 October, 23:23
    0
    C 17

    Step-by-step explanation:

    A. 18 = 2*9 so not prime

    B. 12 = 3*4 so not prime

    c. 17

    D. 28 = 4*7 so not prime

    17 = 1*17 so the only numbers are 1 and itself so it is prime
  2. 23 October, 00:31
    0
    Answer: 17 is the only prime number
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