Q: Is 21,004,006 a Prime Number?

 A: No, 21,004,006 is not a prime number.

Why is 21,004,006 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 21004006 can be evenly divided by 1 2 19 38 53 106 1,007 2,014 10,429 20,858 198,151 396,302 552,737 1,105,474 10,502,003 and 21,004,006, with no remainder.

Since 21,004,006 cannot be divided by just 1 and 21,004,006, it is not a prime number.


More Examples

Number 21,004,00421,004,00521,004,00721,004,008
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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