Is 18 a Prime Number?

No, 18 is not a prime number, it is a composite number.

Why 18 is not a prime number?

Because 18 has divisors rather than 1 and itself. 18 can be divided by 2 and 3.

Prime factorization of 18 (list of divisors):

  • 2
  • 3
  • 3

The next prime number of 18 is 19
The previous prime number of 18 is 17.


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Related Non-Prime Numbers

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