Q: Is 243,021,001 a Prime Number?

 A: No, 243,021,001 is not a prime number.

Why is 243,021,001 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 243021001 can be evenly divided by 1 17 19 71 323 1,207 1,349 10,597 22,933 180,149 201,343 752,387 3,422,831 12,790,579 14,295,353 and 243,021,001, with no remainder.

Since 243,021,001 cannot be divided by just 1 and 243,021,001, it is not a prime number.


More Examples

Number 243,020,999243,021,000243,021,002243,021,003
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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