Q: Is 21,007,990 a Composite Number?

 A: Yes, 21,007,990 is a composite number.

Why is 21,007,990 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 21,007,990 can be evenly divided by 1 2 5 10 41 82 205 410 51,239 102,478 256,195 512,390 2,100,799 4,201,598 10,503,995 and 21,007,990, with no remainder.

Since 21,007,990 cannot be divided by just 1 and 21,007,990, it is a composite number.


More Examples

Number 21,007,98821,007,98921,007,99121,007,992
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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