Q: Is 21,142,209 a Composite Number?

 A: Yes, 21,142,209 is a composite number.

Why is 21,142,209 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 21,142,209 can be evenly divided by 1 3 11 33 121 363 58,243 174,729 640,673 1,922,019 7,047,403 and 21,142,209, with no remainder.

Since 21,142,209 cannot be divided by just 1 and 21,142,209, it is a composite number.


More Examples

Number 21,142,20721,142,20821,142,21021,142,211
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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