Q: Is 21,664 a Composite Number?

 A: Yes, 21,664 is a composite number.

Why is 21,664 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 21,664 can be evenly divided by 1 2 4 8 16 32 677 1,354 2,708 5,416 10,832 and 21,664, with no remainder.

Since 21,664 cannot be divided by just 1 and 21,664, it is a composite number.


More Examples

Number 21,66221,66321,66521,666
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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