Q: Is 11,111,121 a Prime Number?

 A: No, 11,111,121 is not a prime number.

Why is 11,111,121 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 11111121 can be evenly divided by 1 3 7 9 21 27 63 189 58,789 176,367 411,523 529,101 1,234,569 1,587,303 3,703,707 and 11,111,121, with no remainder.

Since 11,111,121 cannot be divided by just 1 and 11,111,121, it is not a prime number.


More Examples

Number 11,111,11911,111,12011,111,12211,111,123
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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