Q: Is 21,007,053 a Composite Number?

 A: Yes, 21,007,053 is a composite number.

Why is 21,007,053 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 21,007,053 can be evenly divided by 1 3 9 17 27 51 153 459 45,767 137,301 411,903 778,039 1,235,709 2,334,117 7,002,351 and 21,007,053, with no remainder.

Since 21,007,053 cannot be divided by just 1 and 21,007,053, it is a composite number.


More Examples

Number 21,007,05121,007,05221,007,05421,007,055
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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