Q: Is 21,087 a Composite Number?

 A: Yes, 21,087 is a composite number.

Why is 21,087 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 21,087 can be evenly divided by 1 3 9 11 27 33 71 99 213 297 639 781 1,917 2,343 7,029 and 21,087, with no remainder.

Since 21,087 cannot be divided by just 1 and 21,087, it is a composite number.


More Examples

Number 21,08521,08621,08821,089
Composite? yesyesyesno
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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