Q: Is 21,028 a Composite Number?

 A: Yes, 21,028 is a composite number.

Why is 21,028 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 21,028 can be evenly divided by 1 2 4 7 14 28 751 1,502 3,004 5,257 10,514 and 21,028, with no remainder.

Since 21,028 cannot be divided by just 1 and 21,028, it is a composite number.


More Examples

Number 21,02621,02721,02921,030
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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