Q: Is 21,309,409 a Composite Number?

 A: Yes, 21,309,409 is a composite number.

Why is 21,309,409 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 21,309,409 can be evenly divided by 1 11 311 3,421 6,229 68,519 1,937,219 and 21,309,409, with no remainder.

Since 21,309,409 cannot be divided by just 1 and 21,309,409, it is a composite number.


More Examples

Number 21,309,40721,309,40821,309,41021,309,411
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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