Q: Is 21,515,009 a Prime Number?

 A: Yes, 21,515,009 is a prime number.

Why is 21,515,009 a prime number?

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

The number 21515009 can be evenly divided by 1 and 21,515,009, with no remainder.

Since 21,515,009 can be divided by just 1 and 21,515,009, it is a prime number.


More Examples

Number 21,515,00721,515,00821,515,01021,515,011
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

Explore more about the number 21,515,009:


Ask a Question