Q: Is 7,221,105 a Composite Number?

 A: Yes, 7,221,105 is a composite number.

Why is 7,221,105 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 7,221,105 can be evenly divided by 1 3 5 9 15 37 45 111 185 333 555 1,665 4,337 13,011 21,685 39,033 65,055 160,469 195,165 481,407 802,345 1,444,221 2,407,035 and 7,221,105, with no remainder.

Since 7,221,105 cannot be divided by just 1 and 7,221,105, it is a composite number.


More Examples

Number 7,221,1037,221,1047,221,1067,221,107
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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