Q: Is 1,021,221 a Prime Number?

 A: No, 1,021,221 is not a prime number.

Why is 1,021,221 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 1021221 can be evenly divided by 1 3 9 27 109 327 347 981 1,041 2,943 3,123 9,369 37,823 113,469 340,407 and 1,021,221, with no remainder.

Since 1,021,221 cannot be divided by just 1 and 1,021,221, it is not a prime number.


More Examples

Number 1,021,2191,021,2201,021,2221,021,223
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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