Q: Is 213,993 a Prime Number?
A: No, 213,993 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 213993 can be evenly divided by 1 3 9 13 31 39 59 93 117 177 279 403 531 767 1,209 1,829 2,301 3,627 5,487 6,903 16,461 23,777 71,331 and 213,993, with no remainder.
Since 213,993 cannot be divided by just 1 and 213,993, it is not a prime number.