Q: Is 231,213,021 a Prime Number?
A: No, 231,213,021 is 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 231213021 can be evenly divided by 1 3 13 39 43 129 559 1,677 137,873 413,619 1,792,349 5,377,047 5,928,539 17,785,617 77,071,007 and 231,213,021, with no remainder.
Since 231,213,021 cannot be divided by just 1 and 231,213,021, it is not a prime number.
| Number | 231,213,019 | 231,213,020 | 231,213,022 | 231,213,023 |
| Prime? | yes | no | no | yes |