Q: Is 840,020 a Prime Number?

 A: No, 840,020 is not a prime number.

Why is 840,020 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 840020 can be evenly divided by 1 2 4 5 10 20 97 194 388 433 485 866 970 1,732 1,940 2,165 4,330 8,660 42,001 84,002 168,004 210,005 420,010 and 840,020, with no remainder.

Since 840,020 cannot be divided by just 1 and 840,020, it is not a prime number.


More Examples

Number 840,018840,019840,021840,022
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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