Q: Is 561,155 a Composite Number?

 A: Yes, 561,155 is a composite number.

Why is 561,155 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 561,155 can be evenly divided by 1 5 7 35 16,033 80,165 112,231 and 561,155, with no remainder.

Since 561,155 cannot be divided by just 1 and 561,155, it is a composite number.


More Examples

Number 561,153561,154561,156561,157
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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