Q: Is 18,008,001 a Prime Number?

 A: No, 18,008,001 is not a prime number.

Why is 18,008,001 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 18008001 can be evenly divided by 1 3 9 11 27 33 81 99 243 297 891 2,673 6,737 20,211 60,633 74,107 181,899 222,321 545,697 666,963 1,637,091 2,000,889 6,002,667 and 18,008,001, with no remainder.

Since 18,008,001 cannot be divided by just 1 and 18,008,001, it is not a prime number.


More Examples

Number 18,007,99918,008,00018,008,00218,008,003
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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