Q: Is 21,424,005 a Prime Number?
A: No, 21,424,005 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 21424005 can be evenly divided by 1 3 5 9 15 45 476,089 1,428,267 2,380,445 4,284,801 7,141,335 and 21,424,005, with no remainder.
Since 21,424,005 cannot be divided by just 1 and 21,424,005, it is not a prime number.
Number | 21,424,003 | 21,424,004 | 21,424,006 | 21,424,007 |
Prime? | yes | no | no | no |