Q: Is 1,040,991 a Prime Number?
A: No, 1,040,991 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 1040991 can be evenly divided by 1 3 7 19 21 57 133 399 2,609 7,827 18,263 49,571 54,789 148,713 346,997 and 1,040,991, with no remainder.
Since 1,040,991 cannot be divided by just 1 and 1,040,991, it is not a prime number.