Q: Is 21,002,442 a Prime Number?

 A: No, 21,002,442 is not a prime number.

Why is 21,002,442 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 21002442 can be evenly divided by 1 2 3 6 3,500,407 7,000,814 10,501,221 and 21,002,442, with no remainder.

Since 21,002,442 cannot be divided by just 1 and 21,002,442, it is not a prime number.


More Examples

Number 21,002,44021,002,44121,002,44321,002,444
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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