Q: Is 121,243,149 a Prime Number?

 A: No, 121,243,149 is not a prime number.

Why is 121,243,149 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 121243149 can be evenly divided by 1 3 9 27 81 163 243 489 1,467 3,061 4,401 9,183 13,203 27,549 39,609 82,647 247,941 498,943 743,823 1,496,829 4,490,487 13,471,461 40,414,383 and 121,243,149, with no remainder.

Since 121,243,149 cannot be divided by just 1 and 121,243,149, it is not a prime number.


More Examples

Number 121,243,147121,243,148121,243,150121,243,151
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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