Q: Is 1,002,591 a Prime Number?
A: No, 1,002,591 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 1002591 can be evenly divided by 1 3 9 27 71 213 523 639 1,569 1,917 4,707 14,121 37,133 111,399 334,197 and 1,002,591, with no remainder.
Since 1,002,591 cannot be divided by just 1 and 1,002,591, it is not a prime number.