Q: Is 315,945 a Composite Number?

 A: Yes, 315,945 is a composite number.

Why is 315,945 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 315,945 can be evenly divided by 1 3 5 7 9 15 17 21 35 45 51 59 63 85 105 119 153 177 255 295 315 357 413 531 595 765 885 1,003 1,071 1,239 1,785 2,065 2,655 3,009 3,717 5,015 5,355 6,195 7,021 9,027 15,045 18,585 21,063 35,105 45,135 63,189 105,315 and 315,945, with no remainder.

Since 315,945 cannot be divided by just 1 and 315,945, it is a composite number.


More Examples

Number 315,943315,944315,946315,947
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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