Q: Is 21,001,443 a Composite Number?

 A: Yes, 21,001,443 is a composite number.

Why is 21,001,443 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 21,001,443 can be evenly divided by 1 3 17 51 73 219 1,241 3,723 5,641 16,923 95,897 287,691 411,793 1,235,379 7,000,481 and 21,001,443, with no remainder.

Since 21,001,443 cannot be divided by just 1 and 21,001,443, it is a composite number.


More Examples

Number 21,001,44121,001,44221,001,44421,001,445
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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