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March 27, 2017

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which of following is not a prime number?
A)17
B)23
C)31
D)51

  • math - ,

    What do you think? First of all go on to Google and look up prime numbers. You'll get a way better understanding of them in a small amount of time. I'll give you one hint: 51 is a prime number because 3 and 17 are it's factors.

  • math - ,

    Luv4ever has a typo.

    51 is NOT a prime number because 3 and 17 are it's factors.

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