Q: Is 21,108,505 a Composite Number?

 A: Yes, 21,108,505 is a composite number.

Why is 21,108,505 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 21,108,505 can be evenly divided by 1 5 11 55 383,791 1,918,955 4,221,701 and 21,108,505, with no remainder.

Since 21,108,505 cannot be divided by just 1 and 21,108,505, it is a composite number.


More Examples

Number 21,108,50321,108,50421,108,50621,108,507
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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