Q: Is 121,011,111 a Prime Number?

 A: No, 121,011,111 is not a prime number.

Why is 121,011,111 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 121011111 can be evenly divided by 1 3 9 13 27 39 117 307 351 921 1,123 2,763 3,369 3,991 8,289 10,107 11,973 14,599 30,321 35,919 43,797 107,757 131,391 344,761 394,173 1,034,283 3,102,849 4,481,893 9,308,547 13,445,679 40,337,037 and 121,011,111, with no remainder.

Since 121,011,111 cannot be divided by just 1 and 121,011,111, it is not a prime number.


More Examples

Number 121,011,109121,011,110121,011,112121,011,113
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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