Q: Is 643,642 a Composite Number?

 A: Yes, 643,642 is a composite number.

Why is 643,642 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 643,642 can be evenly divided by 1 2 321,821 and 643,642, with no remainder.

Since 643,642 cannot be divided by just 1 and 643,642, it is a composite number.


More Examples

Number 643,640643,641643,643643,644
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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