Q: Is 1,218,488 a Prime Number?
A: No, 1,218,488 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 1218488 can be evenly divided by 1 2 4 8 152,311 304,622 609,244 and 1,218,488, with no remainder.
Since 1,218,488 cannot be divided by just 1 and 1,218,488, it is not a prime number.