Is 143 a Prime Number?

No, 143 is not a prime number, it is a composite number.

Why 143 is not a prime number?

Because 143 has divisors rather than 1 and itself. 143 can be divided by 11 and 13.

Prime factorization of 143 (list of divisors):

  • 11
  • 13

The next prime number of 143 is 149
The previous prime number of 143 is 139.


Related Prime Numbers

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Smallest 10 prime numbers bigger than 143

Related Non-Prime Numbers

Biggest 10 composite numbers smaller than 143

Smallest 10 composite numbers bigger than 143