Q: Is 13,221,009 a Prime Number?

 A: No, 13,221,009 is not a prime number.

Why is 13,221,009 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 13221009 can be evenly divided by 1 3 9 27 53 159 477 1,431 9,239 27,717 83,151 249,453 489,667 1,469,001 4,407,003 and 13,221,009, with no remainder.

Since 13,221,009 cannot be divided by just 1 and 13,221,009, it is not a prime number.


More Examples

Number 13,221,00713,221,00813,221,01013,221,011
Prime? yesnonoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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