Q: Is 42,123,643 a Prime Number?
A: No, 42,123,643 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 42123643 can be evenly divided by 1 389 108,287 and 42,123,643, with no remainder.
Since 42,123,643 cannot be divided by just 1 and 42,123,643, it is not a prime number.
| Number | 42,123,641 | 42,123,642 | 42,123,644 | 42,123,645 |
| Prime? | no | no | no | no |