Q: Is 81,018 a Composite Number?

 A: Yes, 81,018 is a composite number.

Why is 81,018 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 81,018 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 63 126 643 1,286 1,929 3,858 4,501 5,787 9,002 11,574 13,503 27,006 40,509 and 81,018, with no remainder.

Since 81,018 cannot be divided by just 1 and 81,018, it is a composite number.


More Examples

Number 81,01681,01781,01981,020
Composite? 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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