Q: Is 21,439,004 a Prime Number?
A: No, 21,439,004 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 21439004 can be evenly divided by 1 2 4 29 58 116 421 439 842 878 1,684 1,756 12,209 12,731 24,418 25,462 48,836 50,924 184,819 369,638 739,276 5,359,751 10,719,502 and 21,439,004, with no remainder.
Since 21,439,004 cannot be divided by just 1 and 21,439,004, it is not a prime number.
| Number | 21,439,002 | 21,439,003 | 21,439,005 | 21,439,006 |
| Prime? | no | no | no | no |