Q: Is 243,143 a Prime Number?

 A: No, 243,143 is not a prime number.

Why is 243,143 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 243143 can be evenly divided by 1 19 67 191 1,273 3,629 12,797 and 243,143, with no remainder.

Since 243,143 cannot be divided by just 1 and 243,143, it is not a prime number.


More Examples

Number 243,141243,142243,144243,145
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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