Q: Is 20,043 a Prime Number?
A: No, 20,043 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 20043 can be evenly divided by 1 3 9 17 51 131 153 393 1,179 2,227 6,681 and 20,043, with no remainder.
Since 20,043 cannot be divided by just 1 and 20,043, it is not a prime number.