Q: Is 42,243,340 a Prime Number?
A: No, 42,243,340 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 42243340 can be evenly divided by 1 2 4 5 10 20 379 758 1,516 1,895 3,790 5,573 7,580 11,146 22,292 27,865 55,730 111,460 2,112,167 4,224,334 8,448,668 10,560,835 21,121,670 and 42,243,340, with no remainder.
Since 42,243,340 cannot be divided by just 1 and 42,243,340, it is not a prime number.
| Number | 42,243,338 | 42,243,339 | 42,243,341 | 42,243,342 |
| Prime? | no | no | no | no |