Q: Is 1,218,422 a Prime Number?
A: No, 1,218,422 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 1218422 can be evenly divided by 1 2 239 478 2,549 5,098 609,211 and 1,218,422, with no remainder.
Since 1,218,422 cannot be divided by just 1 and 1,218,422, it is not a prime number.