Q: Is 21,242,004 a Prime Number?
A: No, 21,242,004 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 21242004 can be evenly divided by 1 2 3 4 6 7 12 14 21 28 42 84 252,881 505,762 758,643 1,011,524 1,517,286 1,770,167 3,034,572 3,540,334 5,310,501 7,080,668 10,621,002 and 21,242,004, with no remainder.
Since 21,242,004 cannot be divided by just 1 and 21,242,004, it is not a prime number.
| Number | 21,242,002 | 21,242,003 | 21,242,005 | 21,242,006 |
| Prime? | no | no | no | no |