Q: Is 21,721,003 a Composite Number?

 A: Yes, 21,721,003 is a composite number.

Why is 21,721,003 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 21,721,003 can be evenly divided by 1 47 462,149 and 21,721,003, with no remainder.

Since 21,721,003 cannot be divided by just 1 and 21,721,003, it is a composite number.


More Examples

Number 21,721,00121,721,00221,721,00421,721,005
Composite? noyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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