Q: Is 21,240,002 a Prime Number?

 A: No, 21,240,002 is not a prime number.

Why is 21,240,002 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 21240002 can be evenly divided by 1 2 7 14 1,517,143 3,034,286 10,620,001 and 21,240,002, with no remainder.

Since 21,240,002 cannot be divided by just 1 and 21,240,002, it is not a prime number.


More Examples

Number 21,240,00021,240,00121,240,00321,240,004
Prime? noyesnono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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