Q: Is 21,231,005 a Composite Number?

 A: Yes, 21,231,005 is a composite number.

Why is 21,231,005 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 21,231,005 can be evenly divided by 1 5 53 113 265 565 709 3,545 5,989 29,945 37,577 80,117 187,885 400,585 4,246,201 and 21,231,005, with no remainder.

Since 21,231,005 cannot be divided by just 1 and 21,231,005, it is a composite number.


More Examples

Number 21,231,00321,231,00421,231,00621,231,007
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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