Q: Is 21,001,003 a Composite Number?

 A: Yes, 21,001,003 is a composite number.

Why is 21,001,003 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 21,001,003 can be evenly divided by 1 131 160,313 and 21,001,003, with no remainder.

Since 21,001,003 cannot be divided by just 1 and 21,001,003, it is a composite number.


More Examples

Number 21,001,00121,001,00221,001,00421,001,005
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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