Q: Is 645,009 a Composite Number?

 A: Yes, 645,009 is a composite number.

Why is 645,009 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 645,009 can be evenly divided by 1 3 67 201 3,209 9,627 215,003 and 645,009, with no remainder.

Since 645,009 cannot be divided by just 1 and 645,009, it is a composite number.


More Examples

Number 645,007645,008645,010645,011
Composite? yesyesyesno
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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