Q: Is 1,242,243 a Prime Number?

 A: No, 1,242,243 is not a prime number.

Why is 1,242,243 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 1242243 can be evenly divided by 1 3 9 27 139 331 417 993 1,251 2,979 3,753 8,937 46,009 138,027 414,081 and 1,242,243, with no remainder.

Since 1,242,243 cannot be divided by just 1 and 1,242,243, it is not a prime number.


More Examples

Number 1,242,2411,242,2421,242,2441,242,245
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

Explore more about the number 1,242,243:


Ask a Question