Q: Is 1,221,121 a Prime Number?

 A: No, 1,221,121 is not a prime number.

Why is 1,221,121 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 1221121 can be evenly divided by 1 11 31 341 3,581 39,391 111,011 and 1,221,121, with no remainder.

Since 1,221,121 cannot be divided by just 1 and 1,221,121, it is not a prime number.


More Examples

Number 1,221,1191,221,1201,221,1221,221,123
Prime? yesnonono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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