Q: Is 312,315 a Composite Number?

 A: Yes, 312,315 is a composite number.

Why is 312,315 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 312,315 can be evenly divided by 1 3 5 15 47 141 235 443 705 1,329 2,215 6,645 20,821 62,463 104,105 and 312,315, with no remainder.

Since 312,315 cannot be divided by just 1 and 312,315, it is a composite number.


More Examples

Number 312,313312,314312,316312,317
Composite? noyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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