Q: Is 1,218,218 a Prime Number?
A: No, 1,218,218 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 1218218 can be evenly divided by 1 2 23 46 71 142 373 746 1,633 3,266 8,579 17,158 26,483 52,966 609,109 and 1,218,218, with no remainder.
Since 1,218,218 cannot be divided by just 1 and 1,218,218, it is not a prime number.