Q: Is 21,310 a Composite Number?

 A: Yes, 21,310 is a composite number.

Why is 21,310 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 21,310 can be evenly divided by 1 2 5 10 2,131 4,262 10,655 and 21,310, with no remainder.

Since 21,310 cannot be divided by just 1 and 21,310, it is a composite number.


More Examples

Number 21,30821,30921,31121,312
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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