Q: Is 813,993 a Prime Number?
A: No, 813,993 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 813993 can be evenly divided by 1 3 23 47 69 141 251 753 1,081 3,243 5,773 11,797 17,319 35,391 271,331 and 813,993, with no remainder.
Since 813,993 cannot be divided by just 1 and 813,993, it is not a prime number.