Q: Is 1,218,604 a Prime Number?
A: No, 1,218,604 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 1218604 can be evenly divided by 1 2 4 304,651 609,302 and 1,218,604, with no remainder.
Since 1,218,604 cannot be divided by just 1 and 1,218,604, it is not a prime number.