Q: Is 311,643 a Composite Number?

 A: Yes, 311,643 is a composite number.

Why is 311,643 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 311,643 can be evenly divided by 1 3 9 31 93 279 1,117 3,351 10,053 34,627 103,881 and 311,643, with no remainder.

Since 311,643 cannot be divided by just 1 and 311,643, it is a composite number.


More Examples

Number 311,641311,642311,644311,645
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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