Q: Is 400,310,021 a Prime Number?

 A: No, 400,310,021 is not a prime number.

Why is 400,310,021 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 400310021 can be evenly divided by 1 109 367 10,007 40,003 1,090,763 3,672,569 and 400,310,021, with no remainder.

Since 400,310,021 cannot be divided by just 1 and 400,310,021, it is not a prime number.


More Examples

Number 400,310,019400,310,020400,310,022400,310,023
Prime? nononoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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