Q: Is 102,120,021 a Prime Number?

 A: No, 102,120,021 is not a prime number.

Why is 102,120,021 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 102120021 can be evenly divided by 1 3 9 27 81 113 243 339 1,017 3,051 3,719 9,153 11,157 27,459 33,471 100,413 301,239 420,247 903,717 1,260,741 3,782,223 11,346,669 34,040,007 and 102,120,021, with no remainder.

Since 102,120,021 cannot be divided by just 1 and 102,120,021, it is not a prime number.


More Examples

Number 102,120,019102,120,020102,120,022102,120,023
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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