Q: Is 243,105 a Composite Number?

 A: Yes, 243,105 is a composite number.

Why is 243,105 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 243,105 can be evenly divided by 1 3 5 15 19 57 95 285 853 2,559 4,265 12,795 16,207 48,621 81,035 and 243,105, with no remainder.

Since 243,105 cannot be divided by just 1 and 243,105, it is a composite number.


More Examples

Number 243,103243,104243,106243,107
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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