Q: Is 1,218,005 a Composite Number?

 A: Yes, 1,218,005 is a composite number.

Why is 1,218,005 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 1,218,005 can be evenly divided by 1 5 47 71 73 235 355 365 3,337 3,431 5,183 16,685 17,155 25,915 243,601 and 1,218,005, with no remainder.

Since 1,218,005 cannot be divided by just 1 and 1,218,005, it is a composite number.


More Examples

Number 1,218,0031,218,0041,218,0061,218,007
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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