Q: Is 501,993 a Prime Number?
A: No, 501,993 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 501993 can be evenly divided by 1 3 9 17 51 153 193 289 579 867 1,737 2,601 3,281 9,843 29,529 55,777 167,331 and 501,993, with no remainder.
Since 501,993 cannot be divided by just 1 and 501,993, it is not a prime number.