Q: Is 21,330,243 a Composite Number?

 A: Yes, 21,330,243 is a composite number.

Why is 21,330,243 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 21,330,243 can be evenly divided by 1 3 9 11 27 33 99 121 297 363 1,089 3,267 6,529 19,587 58,761 71,819 176,283 215,457 646,371 790,009 1,939,113 2,370,027 7,110,081 and 21,330,243, with no remainder.

Since 21,330,243 cannot be divided by just 1 and 21,330,243, it is a composite number.


More Examples

Number 21,330,24121,330,24221,330,24421,330,245
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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