Q: Is 21,007,515 a Composite Number?

 A: Yes, 21,007,515 is a composite number.

Why is 21,007,515 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 21,007,515 can be evenly divided by 1 3 5 15 67 201 335 1,005 20,903 62,709 104,515 313,545 1,400,501 4,201,503 7,002,505 and 21,007,515, with no remainder.

Since 21,007,515 cannot be divided by just 1 and 21,007,515, it is a composite number.


More Examples

Number 21,007,51321,007,51421,007,51621,007,517
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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