marie48 marie48
  • 16-08-2017
  • Mathematics
contestada

If x is a prime number then x+1 is not a prime number

If x is a prime number then x1 is not a prime number class=

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amirreza688 amirreza688
  • 16-08-2017
the counterexample is 2 because 3 is also a prime number
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