Q: Is 1,218,860 a Prime Number?
A: No, 1,218,860 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 1218860 can be evenly divided by 1 2 4 5 10 20 60,943 121,886 243,772 304,715 609,430 and 1,218,860, with no remainder.
Since 1,218,860 cannot be divided by just 1 and 1,218,860, it is not a prime number.