Q: Is 21,518 a Composite Number?

 A: Yes, 21,518 is a composite number.

Why is 21,518 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 21,518 can be evenly divided by 1 2 7 14 29 53 58 106 203 371 406 742 1,537 3,074 10,759 and 21,518, with no remainder.

Since 21,518 cannot be divided by just 1 and 21,518, it is a composite number.


More Examples

Number 21,51621,51721,51921,520
Composite? yesnoyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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