Q: Is 21,011,109 a Composite Number?

 A: Yes, 21,011,109 is a composite number.

Why is 21,011,109 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 21,011,109 can be evenly divided by 1 3 7 21 29 87 203 609 34,501 103,503 241,507 724,521 1,000,529 3,001,587 7,003,703 and 21,011,109, with no remainder.

Since 21,011,109 cannot be divided by just 1 and 21,011,109, it is a composite number.


More Examples

Number 21,011,10721,011,10821,011,11021,011,111
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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