Q: Is 121,815 a Composite Number?

 A: Yes, 121,815 is a composite number.

Why is 121,815 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 121,815 can be evenly divided by 1 3 5 9 15 45 2,707 8,121 13,535 24,363 40,605 and 121,815, with no remainder.

Since 121,815 cannot be divided by just 1 and 121,815, it is a composite number.


More Examples

Number 121,813121,814121,816121,817
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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