Q: Is 21,288 a Composite Number?

 A: Yes, 21,288 is a composite number.

Why is 21,288 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 21,288 can be evenly divided by 1 2 3 4 6 8 12 24 887 1,774 2,661 3,548 5,322 7,096 10,644 and 21,288, with no remainder.

Since 21,288 cannot be divided by just 1 and 21,288, it is a composite number.


More Examples

Number 21,28621,28721,28921,290
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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