Q: Is 21,420,004 a Prime Number?
A: No, 21,420,004 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 21420004 can be evenly divided by 1 2 4 307 614 1,228 17,443 34,886 69,772 5,355,001 10,710,002 and 21,420,004, with no remainder.
Since 21,420,004 cannot be divided by just 1 and 21,420,004, it is not a prime number.
| Number | 21,420,002 | 21,420,003 | 21,420,005 | 21,420,006 |
| Prime? | no | no | no | no |