Q: Is 243,021 a Prime Number?

 A: No, 243,021 is not a prime number.

Why is 243,021 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 243021 can be evenly divided by 1 3 59 177 1,373 4,119 81,007 and 243,021, with no remainder.

Since 243,021 cannot be divided by just 1 and 243,021, it is not a prime number.


More Examples

Number 243,019243,020243,022243,023
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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