Q: Is 15,000,021 a Prime Number?

 A: No, 15,000,021 is not a prime number.

Why is 15,000,021 not a prime number?

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

The number 15000021 can be evenly divided by 1 3 9 179 537 1,611 9,311 27,933 83,799 1,666,669 5,000,007 and 15,000,021, with no remainder.

Since 15,000,021 cannot be divided by just 1 and 15,000,021, it is not a prime number.


More Examples

Number 15,000,01915,000,02015,000,02215,000,023
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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