Q: Is 243,021,009 a Prime Number?

 A: No, 243,021,009 is not a prime number.

Why is 243,021,009 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 243021009 can be evenly divided by 1 3 7 11 21 33 77 231 1,052,039 3,156,117 7,364,273 11,572,429 22,092,819 34,717,287 81,007,003 and 243,021,009, with no remainder.

Since 243,021,009 cannot be divided by just 1 and 243,021,009, it is not a prime number.


More Examples

Number 243,021,007243,021,008243,021,010243,021,011
Prime? yesnonono
  • 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 243,021,009:


Ask a Question