Q: Is 123,240,123 a Prime Number?
A: No, 123,240,123 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 123240123 can be evenly divided by 1 3 9 17 27 51 81 153 243 459 1,377 4,131 29,833 89,499 268,497 507,161 805,491 1,521,483 2,416,473 4,564,449 7,249,419 13,693,347 41,080,041 and 123,240,123, with no remainder.
Since 123,240,123 cannot be divided by just 1 and 123,240,123, it is not a prime number.
| Number | 123,240,121 | 123,240,122 | 123,240,124 | 123,240,125 |
| Prime? | yes | no | no | no |