Q: Is 1,218,088 a Prime Number?
A: No, 1,218,088 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 1218088 can be evenly divided by 1 2 4 8 107 214 428 856 1,423 2,846 5,692 11,384 152,261 304,522 609,044 and 1,218,088, with no remainder.
Since 1,218,088 cannot be divided by just 1 and 1,218,088, it is not a prime number.