Q: Is 42,040,005 a Prime Number?
A: No, 42,040,005 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 42040005 can be evenly divided by 1 3 5 7 15 21 35 105 400,381 1,201,143 2,001,905 2,802,667 6,005,715 8,408,001 14,013,335 and 42,040,005, with no remainder.
Since 42,040,005 cannot be divided by just 1 and 42,040,005, it is not a prime number.
| Number | 42,040,003 | 42,040,004 | 42,040,006 | 42,040,007 |
| Prime? | no | no | no | yes |