Q: Is 21,012,002 a Prime Number?

 A: No, 21,012,002 is not a prime number.

Why is 21,012,002 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 21012002 can be evenly divided by 1 2 11 22 955,091 1,910,182 10,506,001 and 21,012,002, with no remainder.

Since 21,012,002 cannot be divided by just 1 and 21,012,002, it is not a prime number.


More Examples

Number 21,012,00021,012,00121,012,00321,012,004
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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