Q: Is 21,505,001 a Composite Number?

 A: Yes, 21,505,001 is a composite number.

Why is 21,505,001 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 21,505,001 can be evenly divided by 1 7 61 427 50,363 352,541 3,072,143 and 21,505,001, with no remainder.

Since 21,505,001 cannot be divided by just 1 and 21,505,001, it is a composite number.


More Examples

Number 21,504,99921,505,00021,505,00221,505,003
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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