Q: Is 21,031,309 a Composite Number?

 A: Yes, 21,031,309 is a composite number.

Why is 21,031,309 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 21,031,309 can be evenly divided by 1 13 19 247 85,147 1,106,911 1,617,793 and 21,031,309, with no remainder.

Since 21,031,309 cannot be divided by just 1 and 21,031,309, it is a composite number.


More Examples

Number 21,031,30721,031,30821,031,31021,031,311
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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