Q: Is 20,007,721 a Prime Number?

 A: Yes, 20,007,721 is a prime number.

Why is 20,007,721 a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 20007721 can be evenly divided by 1 and 20,007,721, with no remainder.

Since 20,007,721 can be divided by just 1 and 20,007,721, it is a prime number.


More Examples

Number 20,007,71920,007,72020,007,72220,007,723
Prime? yesnonono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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