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.


The list of divisors of 143 ; (Only first 5 divisors listed)


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

Related Prime Numbers

Biggest 10 prime numbers smaller than 143


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