Q: Is 21,220 a Composite Number?

 A: Yes, 21,220 is a composite number.

Why is 21,220 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 21,220 can be evenly divided by 1 2 4 5 10 20 1,061 2,122 4,244 5,305 10,610 and 21,220, with no remainder.

Since 21,220 cannot be divided by just 1 and 21,220, it is a composite number.


More Examples

Number 21,21821,21921,22121,222
Composite? yesyesnoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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