Q: Is 1,218,321 a Composite Number?

 A: Yes, 1,218,321 is a composite number.

Why is 1,218,321 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 1,218,321 can be evenly divided by 1 3 9 13 27 39 81 89 117 169 267 351 507 801 1,053 1,157 1,521 2,403 3,471 4,563 7,209 10,413 13,689 15,041 31,239 45,123 93,717 135,369 406,107 and 1,218,321, with no remainder.

Since 1,218,321 cannot be divided by just 1 and 1,218,321, it is a composite number.


More Examples

Number 1,218,3191,218,3201,218,3221,218,323
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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