Q: Is 1,109,143 a Prime Number?
A: No, 1,109,143 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 1109143 can be evenly divided by 1 7 158,449 and 1,109,143, with no remainder.
Since 1,109,143 cannot be divided by just 1 and 1,109,143, it is not a prime number.