Q: Is 1,218,530 a Prime Number?
A: No, 1,218,530 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 1218530 can be evenly divided by 1 2 5 10 121,853 243,706 609,265 and 1,218,530, with no remainder.
Since 1,218,530 cannot be divided by just 1 and 1,218,530, it is not a prime number.