Q: Is 42,000,399 a Prime Number?
A: No, 42,000,399 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 42000399 can be evenly divided by 1 3 7 9 21 49 63 147 441 95,239 285,717 666,673 857,151 2,000,019 4,666,711 6,000,057 14,000,133 and 42,000,399, with no remainder.
Since 42,000,399 cannot be divided by just 1 and 42,000,399, it is not a prime number.
| Number | 42,000,397 | 42,000,398 | 42,000,400 | 42,000,401 |
| Prime? | no | no | no | no |