Q: Is 42,780,721 a Prime Number?
A: No, 42,780,721 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 42780721 can be evenly divided by 1 17 2,516,513 and 42,780,721, with no remainder.
Since 42,780,721 cannot be divided by just 1 and 42,780,721, it is not a prime number.
| Number | 42,780,719 | 42,780,720 | 42,780,722 | 42,780,723 |
| Prime? | no | no | no | no |