Q: Is 2,121 a Composite Number?

 A: Yes, 2,121 is a composite number.

Why is 2,121 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 2,121 can be evenly divided by 1 3 7 21 101 303 707 and 2,121, with no remainder.

Since 2,121 cannot be divided by just 1 and 2,121, it is a composite number.


More Examples

Number 2,1192,1202,1222,123
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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