Q: Is 122,121,021 a Prime Number?

 A: No, 122,121,021 is not a prime number.

Why is 122,121,021 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 122121021 can be evenly divided by 1 3 11 33 113 339 1,243 3,729 32,749 98,247 360,239 1,080,717 3,700,637 11,101,911 40,707,007 and 122,121,021, with no remainder.

Since 122,121,021 cannot be divided by just 1 and 122,121,021, it is not a prime number.


More Examples

Number 122,121,019122,121,020122,121,022122,121,023
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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