Q: Is 1,218,889 a Prime Number?
A: No, 1,218,889 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 1218889 can be evenly divided by 1 7 31 41 137 217 287 959 1,271 4,247 5,617 8,897 29,729 39,319 174,127 and 1,218,889, with no remainder.
Since 1,218,889 cannot be divided by just 1 and 1,218,889, it is not a prime number.