Q: Is 21,020,002 a Prime Number?

 A: No, 21,020,002 is not a prime number.

Why is 21,020,002 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 21020002 can be evenly divided by 1 2 619 1,238 16,979 33,958 10,510,001 and 21,020,002, with no remainder.

Since 21,020,002 cannot be divided by just 1 and 21,020,002, it is not a prime number.


More Examples

Number 21,020,00021,020,00121,020,00321,020,004
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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