Q: Is 321,855 a Composite Number?

 A: Yes, 321,855 is a composite number.

Why is 321,855 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 321,855 can be evenly divided by 1 3 5 15 43 129 215 499 645 1,497 2,495 7,485 21,457 64,371 107,285 and 321,855, with no remainder.

Since 321,855 cannot be divided by just 1 and 321,855, it is a composite number.


More Examples

Number 321,853321,854321,856321,857
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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