Q: Is 561,105 a Composite Number?

 A: Yes, 561,105 is a composite number.

Why is 561,105 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 561,105 can be evenly divided by 1 3 5 9 15 37 45 111 185 333 337 555 1,011 1,665 1,685 3,033 5,055 12,469 15,165 37,407 62,345 112,221 187,035 and 561,105, with no remainder.

Since 561,105 cannot be divided by just 1 and 561,105, it is a composite number.


More Examples

Number 561,103561,104561,106561,107
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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